20232113 has 4 divisors (see below), whose sum is σ = 22071408. Its totient is φ = 18392820.

The previous prime is 20232101. The next prime is 20232127. The reversal of 20232113 is 31123202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20232113 - 2⁸ = 20231857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20232133) 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, 919631 + ... + 919652.

It is an arithmetic number, because the mean of its divisors is an integer number (5517852).

Almost surely, 2^20232113 is an apocalyptic number.

It is an amenable number.

20232113 is a deficient number, since it is larger than the sum of its proper divisors (1839295).

20232113 is a wasteful number, since it uses less digits than its factorization.

20232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839294.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20232113 is about 4498.0121164799. The cubic root of 20232113 is about 272.4878113674.

Adding to 20232113 its reverse (31123202), we get a palindrome (51355315).

The spelling of 20232113 in words is "twenty million, two hundred thirty-two thousand, one hundred thirteen".