23487164145 has 12 divisors (see below), whose sum is σ = 40711084596. Its totient is φ = 12526487520.

The previous prime is 23487164137. The next prime is 23487164153. The reversal of 23487164145 is 54146178432.

23487164145 is a `hidden beast` number, since 2 + 3 + 487 + 164 + 1 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (23487164137) and next prime (23487164153).

It can be written as a sum of positive squares in 2 ways, for example, as 9182047329 + 14305116816 = 95823^2 + 119604^2 .

It is not a de Polignac number, because 23487164145 - 2³ = 23487164137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 521936981 = 23487164145 / (2 + 3 + 4 + 8 + 7 + 1 + 6 + 4 + 1 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 23487164145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260968446 + ... + 260968535.

It is an arithmetic number, because the mean of its divisors is an integer number (3392590383).

Almost surely, 2^23487164145 is an apocalyptic number.

It is an amenable number.

23487164145 is a deficient number, since it is larger than the sum of its proper divisors (17223920451).

23487164145 is a wasteful number, since it uses less digits than its factorization.

23487164145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521936992 (or 521936989 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 23487164145 in words is "twenty-three billion, four hundred eighty-seven million, one hundred sixty-four thousand, one hundred forty-five".