23194347318631 has 2 divisors, whose sum is σ = 23194347318632. Its totient is φ = 23194347318630.

The previous prime is 23194347318563. The next prime is 23194347318707. The reversal of 23194347318631 is 13681374349132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23194347318631 - 2⁹ = 23194347318119 is a prime.

It is a super-2 number, since 2×23194347318631² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23194347318031) by changing a digit.

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 as a sum of consecutive naturals, namely, 11597173659315 + 11597173659316.

It is an arithmetic number, because the mean of its divisors is an integer number (11597173659316).

Almost surely, 2^{23194347318631} is an apocalyptic number.

23194347318631 is a deficient number, since it is larger than the sum of its proper divisors (1).

23194347318631 is an equidigital number, since it uses as much as digits as its factorization.

23194347318631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 55.

The spelling of 23194347318631 in words is "twenty-three trillion, one hundred ninety-four billion, three hundred forty-seven million, three hundred eighteen thousand, six hundred thirty-one".