23520651451 has 16 divisors (see below), whose sum is σ = 26030723328. Its totient is φ = 21072794400.

The previous prime is 23520651443. The next prime is 23520651467. The reversal of 23520651451 is 15415602532.

It is a cyclic number.

It is not a de Polignac number, because 23520651451 - 2³ = 23520651443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23520651251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2742496 + ... + 2751058.

It is an arithmetic number, because the mean of its divisors is an integer number (1626920208).

Almost surely, 2^23520651451 is an apocalyptic number.

23520651451 is a deficient number, since it is larger than the sum of its proper divisors (2510071877).

23520651451 is a wasteful number, since it uses less digits than its factorization.

23520651451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12162.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 23520651451 in words is "twenty-three billion, five hundred twenty million, six hundred fifty-one thousand, four hundred fifty-one".