23225403420531 has 12 divisors (see below), whose sum is σ = 36128405321008. Its totient is φ = 14292555951024.

The previous prime is 23225403420511. The next prime is 23225403420581. The reversal of 23225403420531 is 13502430452232.

23225403420531 is a `hidden beast` number, since 2 + 3 + 22 + 54 + 0 + 34 + 20 + 531 = 666.

It is not a de Polignac number, because 23225403420531 - 2⁹ = 23225403420019 is a prime.

It is a super-2 number, since 2×23225403420531² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23225403420511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99253860655 + ... + 99253860888.

Almost surely, 2^{23225403420531} is an apocalyptic number.

23225403420531 is a deficient number, since it is larger than the sum of its proper divisors (12903001900477).

23225403420531 is a wasteful number, since it uses less digits than its factorization.

23225403420531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198507721562 (or 198507721559 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 23225403420531 its reverse (13502430452232), we get a palindrome (36727833872763).

The spelling of 23225403420531 in words is "twenty-three trillion, two hundred twenty-five billion, four hundred three million, four hundred twenty thousand, five hundred thirty-one".