23126970591 has 6 divisors (see below), whose sum is σ = 33405624200. Its totient is φ = 15417980388.

The previous prime is 23126970589. The next prime is 23126970593. The reversal of 23126970591 is 19507962132.

It is a happy number.

23126970591 is a `hidden beast` number, since 2 + 31 + 26 + 9 + 7 + 0 + 591 = 666.

It is an interprime number because it is at equal distance from previous prime (23126970589) and next prime (23126970593).

It is not a de Polignac number, because 23126970591 - 2¹ = 23126970589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23126970593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1284831691 + ... + 1284831708.

Almost surely, 2^23126970591 is an apocalyptic number.

23126970591 is a deficient number, since it is larger than the sum of its proper divisors (10278653609).

23126970591 is a wasteful number, since it uses less digits than its factorization.

23126970591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569663405 (or 2569663402 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 23126970591 in words is "twenty-three billion, one hundred twenty-six million, nine hundred seventy thousand, five hundred ninety-one".