23241637439 has 4 divisors (see below), whose sum is σ = 23268694920. Its totient is φ = 23214579960.

The previous prime is 23241637411. The next prime is 23241637451. The reversal of 23241637439 is 93473614232.

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 23241637439 - 2⁸ = 23241637183 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 23241637439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23241687439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13527452 + ... + 13529169.

It is an arithmetic number, because the mean of its divisors is an integer number (5817173730).

Almost surely, 2^23241637439 is an apocalyptic number.

23241637439 is a deficient number, since it is larger than the sum of its proper divisors (27057481).

23241637439 is an equidigital number, since it uses as much as digits as its factorization.

23241637439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27057480.

The product of its digits is 653184, while the sum is 44.

The spelling of 23241637439 in words is "twenty-three billion, two hundred forty-one million, six hundred thirty-seven thousand, four hundred thirty-nine".