23942513 has 8 divisors (see below), whose sum is σ = 27671040. Its totient is φ = 20291040.

The previous prime is 23942491. The next prime is 23942521. The reversal of 23942513 is 31524932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23942513 - 2⁶ = 23942449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23942533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18593 + ... + 19838.

It is an arithmetic number, because the mean of its divisors is an integer number (3458880).

Almost surely, 2^23942513 is an apocalyptic number.

It is an amenable number.

23942513 is a deficient number, since it is larger than the sum of its proper divisors (3728527).

23942513 is an equidigital number, since it uses as much as digits as its factorization.

23942513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38527.

The product of its digits is 6480, while the sum is 29.

The square root of 23942513 is about 4893.1087255445. The cubic root of 23942513 is about 288.2194227069.

The spelling of 23942513 in words is "twenty-three million, nine hundred forty-two thousand, five hundred thirteen".