23122325421 has 16 divisors (see below), whose sum is σ = 36890320320. Its totient is φ = 14229123120.

The previous prime is 23122325411. The next prime is 23122325453. The reversal of 23122325421 is 12452322132.

23122325421 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 232 + 5 + 421 = 666.

It is not a de Polignac number, because 23122325421 - 2⁵ = 23122325389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122325411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32937435 + ... + 32938136.

It is an arithmetic number, because the mean of its divisors is an integer number (2305645020).

Almost surely, 2^23122325421 is an apocalyptic number.

It is an amenable number.

23122325421 is a deficient number, since it is larger than the sum of its proper divisors (13767994899).

23122325421 is a wasteful number, since it uses less digits than its factorization.

23122325421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65875593 (or 65875587 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

Adding to 23122325421 its reverse (12452322132), we get a palindrome (35574647553).

The spelling of 23122325421 in words is "twenty-three billion, one hundred twenty-two million, three hundred twenty-five thousand, four hundred twenty-one".