23451504105 has 32 divisors (see below), whose sum is σ = 38695708800. Its totient is φ = 12120465920.

The previous prime is 23451504103. The next prime is 23451504133. The reversal of 23451504105 is 50140515432.

It is not a de Polignac number, because 23451504105 - 2¹ = 23451504103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23451504103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36327 + ... + 219596.

It is an arithmetic number, because the mean of its divisors is an integer number (1209240900).

Almost surely, 2^23451504105 is an apocalyptic number.

It is an amenable number.

23451504105 is a deficient number, since it is larger than the sum of its proper divisors (15244204695).

23451504105 is a wasteful number, since it uses less digits than its factorization.

23451504105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256121.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 23451504105 in words is "twenty-three billion, four hundred fifty-one million, five hundred four thousand, one hundred five".