23320211040 has 480 divisors, whose sum is σ = 99597605184. Its totient is φ = 5016453120.

The previous prime is 23320211039. The next prime is 23320211053. The reversal of 23320211040 is 4011202332.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1534680 + ... + 1549800.

Almost surely, 2^23320211040 is an apocalyptic number.

23320211040 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 23320211040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49798802592).

23320211040 is an abundant number, since it is smaller than the sum of its proper divisors (76277394144).

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

23320211040 is a wasteful number, since it uses less digits than its factorization.

23320211040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15172 (or 15155 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23320211040 its reverse (4011202332), we get a palindrome (27331413372).

The spelling of 23320211040 in words is "twenty-three billion, three hundred twenty million, two hundred eleven thousand, forty".