23409690432 has 112 divisors (see below), whose sum is σ = 63729607872. Its totient is φ = 7578316800.

The previous prime is 23409690431. The next prime is 23409690433.

23409690432 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (23409690431) and next prime (23409690433).

It is a super-2 number, since 2×23409690432² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23409690431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4266763 + ... + 4272245.

It is an arithmetic number, because the mean of its divisors is an integer number (569014356).

Almost surely, 2^23409690432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23409690432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31864803936).

23409690432 is an abundant number, since it is smaller than the sum of its proper divisors (40319917440).

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

23409690432 is a wasteful number, since it uses less digits than its factorization.

23409690432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6136 (or 6126 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 42.

The spelling of 23409690432 in words is "twenty-three billion, four hundred nine million, six hundred ninety thousand, four hundred thirty-two".