23402220432 has 20 divisors (see below), whose sum is σ = 60455736240. Its totient is φ = 7800740128.

The previous prime is 23402220431. The next prime is 23402220449.

It is a happy number.

23402220432 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×23402220432² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (23402220431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243773082 + ... + 243773177.

It is an arithmetic number, because the mean of its divisors is an integer number (3022786812).

Almost surely, 2^23402220432 is an apocalyptic number.

It is an amenable number.

23402220432 is an abundant number, since it is smaller than the sum of its proper divisors (37053515808).

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

23402220432 is a wasteful number, since it uses less digits than its factorization.

23402220432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487546270 (or 487546264 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The spelling of 23402220432 in words is "twenty-three billion, four hundred two million, two hundred twenty thousand, four hundred thirty-two".