23294631491 has 2 divisors, whose sum is σ = 23294631492. Its totient is φ = 23294631490.

The previous prime is 23294631473. The next prime is 23294631499. The reversal of 23294631491 is 19413649232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23294631491 - 2²² = 23290437187 is a prime.

It is not a weakly prime, because it can be changed into another prime (23294631499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11647315745 + 11647315746.

It is an arithmetic number, because the mean of its divisors is an integer number (11647315746).

Almost surely, 2^23294631491 is an apocalyptic number.

23294631491 is a deficient number, since it is larger than the sum of its proper divisors (1).

23294631491 is an equidigital number, since it uses as much as digits as its factorization.

23294631491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 44.

The spelling of 23294631491 in words is "twenty-three billion, two hundred ninety-four million, six hundred thirty-one thousand, four hundred ninety-one".