23130225443421 has 64 divisors (see below), whose sum is σ = 35084886220800. Its totient is φ = 15053806065600.

The previous prime is 23130225443387. The next prime is 23130225443453. The reversal of 23130225443421 is 12434452203132.

23130225443421 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 0 + 225 + 4 + 4 + 3 + 421 = 666.

It is not a de Polignac number, because 23130225443421 - 2²⁷ = 23130091225693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130225433421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1070287906 + ... + 1070309516.

It is an arithmetic number, because the mean of its divisors is an integer number (548201347200).

Almost surely, 2^{23130225443421} is an apocalyptic number.

It is an amenable number.

23130225443421 is a deficient number, since it is larger than the sum of its proper divisors (11954660777379).

23130225443421 is a wasteful number, since it uses less digits than its factorization.

23130225443421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23767 (or 23761 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 23130225443421 its reverse (12434452203132), we get a palindrome (35564677646553).

The spelling of 23130225443421 in words is "twenty-three trillion, one hundred thirty billion, two hundred twenty-five million, four hundred forty-three thousand, four hundred twenty-one".