23754139 has 4 divisors (see below), whose sum is σ = 23772256. Its totient is φ = 23736024.

The previous prime is 23754121. The next prime is 23754149. The reversal of 23754139 is 93145732.

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 23754139 - 2¹³ = 23745947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23754149) 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, 6924 + ... + 9769.

It is an arithmetic number, because the mean of its divisors is an integer number (5943064).

Almost surely, 2^23754139 is an apocalyptic number.

23754139 is a deficient number, since it is larger than the sum of its proper divisors (18117).

23754139 is a wasteful number, since it uses less digits than its factorization.

23754139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18116.

The product of its digits is 22680, while the sum is 34.

The square root of 23754139 is about 4873.8218063446. The cubic root of 23754139 is about 287.4615510019.

The spelling of 23754139 in words is "twenty-three million, seven hundred fifty-four thousand, one hundred thirty-nine".