23837937697 has 4 divisors (see below), whose sum is σ = 27243357376. Its totient is φ = 20432518020.

The previous prime is 23837937667. The next prime is 23837937701. The reversal of 23837937697 is 79673973832.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23837937697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23837937647) 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 3 ways as a sum of consecutive naturals, for example, 1702709829 + ... + 1702709842.

It is an arithmetic number, because the mean of its divisors is an integer number (6810839344).

Almost surely, 2^23837937697 is an apocalyptic number.

It is an amenable number.

23837937697 is a deficient number, since it is larger than the sum of its proper divisors (3405419679).

23837937697 is an equidigital number, since it uses as much as digits as its factorization.

23837937697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405419678.

The product of its digits is 72013536, while the sum is 64.

The spelling of 23837937697 in words is "twenty-three billion, eight hundred thirty-seven million, nine hundred thirty-seven thousand, six hundred ninety-seven".