23749379 has 4 divisors (see below), whose sum is σ = 24515520. Its totient is φ = 22983240.

The previous prime is 23749351. The next prime is 23749387. The reversal of 23749379 is 97394732.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23749379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23749279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383024 + ... + 383085.

It is an arithmetic number, because the mean of its divisors is an integer number (6128880).

Almost surely, 2^23749379 is an apocalyptic number.

23749379 is a deficient number, since it is larger than the sum of its proper divisors (766141).

23749379 is an equidigital number, since it uses as much as digits as its factorization.

23749379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766140.

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

The square root of 23749379 is about 4873.3334587323. Note that the first 3 decimals coincide. The cubic root of 23749379 is about 287.4423486166.

The spelling of 23749379 in words is "twenty-three million, seven hundred forty-nine thousand, three hundred seventy-nine".