23942113 has 4 divisors (see below), whose sum is σ = 25783828. Its totient is φ = 22100400.

The previous prime is 23942111. The next prime is 23942117. The reversal of 23942113 is 31124932.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1065024 + 22877089 = 1032^2 + 4783^2 .

It is a cyclic number.

It is not a de Polignac number, because 23942113 - 2¹ = 23942111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23942111) 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, 920838 + ... + 920863.

It is an arithmetic number, because the mean of its divisors is an integer number (6445957).

Almost surely, 2^23942113 is an apocalyptic number.

It is an amenable number.

23942113 is a deficient number, since it is larger than the sum of its proper divisors (1841715).

23942113 is a wasteful number, since it uses less digits than its factorization.

23942113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841714.

The product of its digits is 1296, while the sum is 25.

The square root of 23942113 is about 4893.0678515631. The cubic root of 23942113 is about 288.2178176344.

The spelling of 23942113 in words is "twenty-three million, nine hundred forty-two thousand, one hundred thirteen".