23726956547 has 12 divisors (see below), whose sum is σ = 27639714960. Its totient is φ = 20308676976.

The previous prime is 23726956501. The next prime is 23726956573. The reversal of 23726956547 is 74565962732.

It is not a de Polignac number, because 23726956547 - 2¹⁰ = 23726955523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23726956492 and 23726956501.

It is not an unprimeable number, because it can be changed into a prime (23726926547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306743 + ... + 376224.

It is an arithmetic number, because the mean of its divisors is an integer number (2303309580).

Almost surely, 2^23726956547 is an apocalyptic number.

23726956547 is a deficient number, since it is larger than the sum of its proper divisors (3912758413).

23726956547 is an equidigital number, since it uses as much as digits as its factorization.

23726956547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683690 (or 683683 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 56.

The spelling of 23726956547 in words is "twenty-three billion, seven hundred twenty-six million, nine hundred fifty-six thousand, five hundred forty-seven".