23948253739 has 4 divisors (see below), whose sum is σ = 24091656624. Its totient is φ = 23804850856.

The previous prime is 23948253727. The next prime is 23948253743. The reversal of 23948253739 is 93735284932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23948253739 - 2⁹ = 23948253227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23948253739.

It is not an unprimeable number, because it can be changed into a prime (23948253139) 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 3 ways as a sum of consecutive naturals, for example, 71701192 + ... + 71701525.

It is an arithmetic number, because the mean of its divisors is an integer number (6022914156).

Almost surely, 2^23948253739 is an apocalyptic number.

23948253739 is a deficient number, since it is larger than the sum of its proper divisors (143402885).

23948253739 is a wasteful number, since it uses less digits than its factorization.

23948253739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143402884.

The product of its digits is 9797760, while the sum is 55.

The spelling of 23948253739 in words is "twenty-three billion, nine hundred forty-eight million, two hundred fifty-three thousand, seven hundred thirty-nine".