23253539 has 4 divisors (see below), whose sum is σ = 23263920. Its totient is φ = 23243160.

The previous prime is 23253523. The next prime is 23253541. The reversal of 23253539 is 93535232.

It is a semiprime because it is the product of two primes, 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 23253539 - 2⁴ = 23253523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23253509) 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, 284 + ... + 6825.

It is an arithmetic number, because the mean of its divisors is an integer number (5815980).

Almost surely, 2^23253539 is an apocalyptic number.

23253539 is a deficient number, since it is larger than the sum of its proper divisors (10381).

23253539 is an equidigital number, since it uses as much as digits as its factorization.

23253539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10380.

The product of its digits is 24300, while the sum is 32.

The square root of 23253539 is about 4822.1923437374. The cubic root of 23253539 is about 285.4278543385.

The spelling of 23253539 in words is "twenty-three million, two hundred fifty-three thousand, five hundred thirty-nine".