23220400522424 has 32 divisors (see below), whose sum is σ = 49935075890400. Its totient is φ = 9916185269760.

The previous prime is 23220400522357. The next prime is 23220400522441. The reversal of 23220400522424 is 42422500402232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737795669 + ... + 737827140.

It is an arithmetic number, because the mean of its divisors is an integer number (1560471121575).

Almost surely, 2^{23220400522424} is an apocalyptic number.

It is an amenable number.

23220400522424 is an abundant number, since it is smaller than the sum of its proper divisors (26714675367976).

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

23220400522424 is a wasteful number, since it uses less digits than its factorization.

23220400522424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475623103 (or 1475623099 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 23220400522424 its reverse (42422500402232), we get a palindrome (65642900924656).

The spelling of 23220400522424 in words is "twenty-three trillion, two hundred twenty billion, four hundred million, five hundred twenty-two thousand, four hundred twenty-four".