23468533551 has 6 divisors (see below), whose sum is σ = 33898992920. Its totient is φ = 15645689028.

The previous prime is 23468533549. The next prime is 23468533573. The reversal of 23468533551 is 15533586432.

23468533551 is a `hidden beast` number, since 2 + 3 + 4 + 68 + 5 + 33 + 551 = 666.

It is not a de Polignac number, because 23468533551 - 2¹ = 23468533549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23468533497 and 23468533506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23468533051) 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, 1303807411 + ... + 1303807428.

Almost surely, 2^23468533551 is an apocalyptic number.

23468533551 is a deficient number, since it is larger than the sum of its proper divisors (10430459369).

23468533551 is a wasteful number, since it uses less digits than its factorization.

23468533551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607614845 (or 2607614842 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The spelling of 23468533551 in words is "twenty-three billion, four hundred sixty-eight million, five hundred thirty-three thousand, five hundred fifty-one".