23180464032 has 144 divisors (see below), whose sum is σ = 67100558112. Its totient is φ = 6948986880.

The previous prime is 23180464031. The next prime is 23180464033. The reversal of 23180464032 is 23046408132.

It is an interprime number because it is at equal distance from previous prime (23180464031) and next prime (23180464033).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 23180463984 and 23180464002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23180464031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9934738 + ... + 9937070.

It is an arithmetic number, because the mean of its divisors is an integer number (465976098).

Almost surely, 2^23180464032 is an apocalyptic number.

23180464032 is a gapful number since it is divisible by the number (22) 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 23180464032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33550279056).

23180464032 is an abundant number, since it is smaller than the sum of its proper divisors (43920094080).

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

23180464032 is a wasteful number, since it uses less digits than its factorization.

23180464032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551 (or 2446 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 23180464032 in words is "twenty-three billion, one hundred eighty million, four hundred sixty-four thousand, thirty-two".