23178625307 has 2 divisors, whose sum is σ = 23178625308. Its totient is φ = 23178625306.

The previous prime is 23178625273. The next prime is 23178625343. The reversal of 23178625307 is 70352687132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23178625307 - 2¹² = 23178621211 is a prime.

It is a super-2 number, since 2×23178625307² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23178625387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11589312653 + 11589312654.

It is an arithmetic number, because the mean of its divisors is an integer number (11589312654).

Almost surely, 2^23178625307 is an apocalyptic number.

23178625307 is a deficient number, since it is larger than the sum of its proper divisors (1).

23178625307 is an equidigital number, since it uses as much as digits as its factorization.

23178625307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 23178625307 in words is "twenty-three billion, one hundred seventy-eight million, six hundred twenty-five thousand, three hundred seven".