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23020303210000 = 2454413127263
BaseRepresentation
bin1010011101111110101001…
…11111101101011000010000
310000111201102111210201021121
411032333110333231120100
511004131040110210000
6120543214205532024
74564106400512035
oct516772477553020
9100451374721247
1023020303210000
117375946029a08
1226b95a4b74014
13caca61271465
1459828d80738c
1529dc26c8ab1a
hex14efd4fed610

23020303210000 has 400 divisors, whose sum is σ = 57796548784128. Its totient is φ = 8878907520000.

The previous prime is 23020303209949. The next prime is 23020303210001. The reversal of 23020303210000 is 1230302032.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (23020303210001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 87529669869 + ... + 87529670131.

Almost surely, 223020303210000 is an apocalyptic number.

23020303210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23020303210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28898274392064).

23020303210000 is an abundant number, since it is smaller than the sum of its proper divisors (34776245574128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23020303210000 is an frugal number, since it uses more digits than its factorization.

23020303210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 23020303210000 its reverse (1230302032), we get a palindrome (23021533512032).

The spelling of 23020303210000 in words is "twenty-three trillion, twenty billion, three hundred three million, two hundred ten thousand".