23531223412251 has 6 divisors (see below), whose sum is σ = 33989544928820. Its totient is φ = 15687482274828.

The previous prime is 23531223412241. The next prime is 23531223412271. The reversal of 23531223412251 is 15221432213532.

23531223412251 is a `hidden beast` number, since 2 + 3 + 53 + 12 + 2 + 341 + 2 + 251 = 666.

It is not a de Polignac number, because 23531223412251 - 2⁵ = 23531223412219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23531223412201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1307290189561 + ... + 1307290189578.

Almost surely, 2^{23531223412251} is an apocalyptic number.

23531223412251 is a deficient number, since it is larger than the sum of its proper divisors (10458321516569).

23531223412251 is a wasteful number, since it uses less digits than its factorization.

23531223412251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614580379145 (or 2614580379142 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 23531223412251 its reverse (15221432213532), we get a palindrome (38752655625783).

The spelling of 23531223412251 in words is "twenty-three trillion, five hundred thirty-one billion, two hundred twenty-three million, four hundred twelve thousand, two hundred fifty-one".