23561401350 has 24 divisors (see below), whose sum is σ = 58432275720. Its totient is φ = 6283040320.

The previous prime is 23561401349. The next prime is 23561401397. The reversal of 23561401350 is 5310416532.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78537855 + ... + 78538154.

It is an arithmetic number, because the mean of its divisors is an integer number (2434678155).

Almost surely, 2^23561401350 is an apocalyptic number.

23561401350 is an abundant number, since it is smaller than the sum of its proper divisors (34870874370).

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

23561401350 is a wasteful number, since it uses less digits than its factorization.

23561401350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157076024 (or 157076019 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 23561401350 its reverse (5310416532), we get a palindrome (28871817882).

The spelling of 23561401350 in words is "twenty-three billion, five hundred sixty-one million, four hundred one thousand, three hundred fifty".