23379749 has 4 divisors (see below), whose sum is σ = 23389920. Its totient is φ = 23369580.

The previous prime is 23379721. The next prime is 23379751. The reversal of 23379749 is 94797332.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23379749 - 2⁸ = 23379493 is a prime.

It is a super-2 number, since 2×23379749² = 1093225326606002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23379149) 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, 182 + ... + 6840.

It is an arithmetic number, because the mean of its divisors is an integer number (5847480).

Almost surely, 2^23379749 is an apocalyptic number.

It is an amenable number.

23379749 is a deficient number, since it is larger than the sum of its proper divisors (10171).

23379749 is an equidigital number, since it uses as much as digits as its factorization.

23379749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10170.

The product of its digits is 285768, while the sum is 44.

The square root of 23379749 is about 4835.2610063987. The cubic root of 23379749 is about 285.9433152529.

The spelling of 23379749 in words is "twenty-three million, three hundred seventy-nine thousand, seven hundred forty-nine".