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23201330100 = 22352134123539
BaseRepresentation
bin10101100110111010…
…000011001110110100
32012212221101200120020
4111212322003032310
5340004020030400
614354125005140
71450644023544
oct254672031664
965787350506
1023201330100
119926600783
1245b60b37b0
1322599c09c0
1411a1539324
1590bd2d2a0
hex566e833b4

23201330100 has 216 divisors, whose sum is σ = 74120151840. Its totient is φ = 5570227200.

The previous prime is 23201330081. The next prime is 23201330107. The reversal of 23201330100 is 103310232.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23201330100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23201330107) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6554131 + ... + 6557669.

Almost surely, 223201330100 is an apocalyptic number.

23201330100 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 23201330100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37060075920).

23201330100 is an abundant number, since it is smaller than the sum of its proper divisors (50918821740).

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

23201330100 is a wasteful number, since it uses less digits than its factorization.

23201330100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651 (or 3603 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23201330100 its reverse (103310232), we get a palindrome (23304640332).

The spelling of 23201330100 in words is "twenty-three billion, two hundred one million, three hundred thirty thousand, one hundred".