23451452905 has 16 divisors (see below), whose sum is σ = 29626744320. Its totient is φ = 17771419008.

The previous prime is 23451452873. The next prime is 23451452909. The reversal of 23451452905 is 50925415432.

It is a cyclic number.

It is not a de Polignac number, because 23451452905 - 2⁵ = 23451452873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23451452909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1197069 + ... + 1216501.

It is an arithmetic number, because the mean of its divisors is an integer number (1851671520).

Almost surely, 2^23451452905 is an apocalyptic number.

It is an amenable number.

23451452905 is a deficient number, since it is larger than the sum of its proper divisors (6175291415).

23451452905 is a wasteful number, since it uses less digits than its factorization.

23451452905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32160.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 23451452905 in words is "twenty-three billion, four hundred fifty-one million, four hundred fifty-two thousand, nine hundred five".