23761397 has 4 divisors (see below), whose sum is σ = 25921536. Its totient is φ = 21601260.

The previous prime is 23761321. The next prime is 23761429. The reversal of 23761397 is 79316732.

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-23761397 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 23761397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23761307) 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, 1080053 + ... + 1080074.

It is an arithmetic number, because the mean of its divisors is an integer number (6480384).

Almost surely, 2^23761397 is an apocalyptic number.

It is an amenable number.

23761397 is a deficient number, since it is larger than the sum of its proper divisors (2160139).

23761397 is a wasteful number, since it uses less digits than its factorization.

23761397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160138.

The product of its digits is 47628, while the sum is 38.

The square root of 23761397 is about 4874.5663396860. The cubic root of 23761397 is about 287.4908256682.

It can be divided in two parts, 2376 and 1397, that added together give a palindrome (3773).

The spelling of 23761397 in words is "twenty-three million, seven hundred sixty-one thousand, three hundred ninety-seven".