23781862631 has 2 divisors, whose sum is σ = 23781862632. Its totient is φ = 23781862630.

The previous prime is 23781862627. The next prime is 23781862651. The reversal of 23781862631 is 13626818732.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23781862631 - 2² = 23781862627 is a prime.

It is a super-2 number, since 2×23781862631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23781862651) 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, 11890931315 + 11890931316.

It is an arithmetic number, because the mean of its divisors is an integer number (11890931316).

Almost surely, 2^23781862631 is an apocalyptic number.

23781862631 is a deficient number, since it is larger than the sum of its proper divisors (1).

23781862631 is an equidigital number, since it uses as much as digits as its factorization.

23781862631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The spelling of 23781862631 in words is "twenty-three billion, seven hundred eighty-one million, eight hundred sixty-two thousand, six hundred thirty-one".