23521020250 has 128 divisors (see below), whose sum is σ = 55659082752. Its totient is φ = 7242566400.

The previous prime is 23521020241. The next prime is 23521020283. The reversal of 23521020250 is 5202012532.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 827779 + ... + 855721.

It is an arithmetic number, because the mean of its divisors is an integer number (434836584).

Almost surely, 2^23521020250 is an apocalyptic number.

23521020250 is an abundant number, since it is smaller than the sum of its proper divisors (32138062502).

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

23521020250 is a wasteful number, since it uses less digits than its factorization.

23521020250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28017 (or 28007 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 23521020250 its reverse (5202012532), we get a palindrome (28723032782).

The spelling of 23521020250 in words is "twenty-three billion, five hundred twenty-one million, twenty thousand, two hundred fifty".