23202252128 has 24 divisors (see below), whose sum is σ = 49832110440. Its totient is φ = 10546478080.

The previous prime is 23202252091. The next prime is 23202252217. The reversal of 23202252128 is 82125220232.

It is a super-2 number, since 2×23202252128² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23202252128.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32957393 + ... + 32958096.

It is an arithmetic number, because the mean of its divisors is an integer number (2076337935).

Almost surely, 2^23202252128 is an apocalyptic number.

It is an amenable number.

23202252128 is an abundant number, since it is smaller than the sum of its proper divisors (26629858312).

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

23202252128 is a wasteful number, since it uses less digits than its factorization.

23202252128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65915510 (or 65915502 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 23202252128 in words is "twenty-three billion, two hundred two million, two hundred fifty-two thousand, one hundred twenty-eight".