23120131 has 4 divisors (see below), whose sum is σ = 24337000. Its totient is φ = 21903264.

The previous prime is 23120039. The next prime is 23120171. The reversal of 23120131 is 13102132.

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 23120131 - 2¹¹ = 23118083 is a prime.

It is a super-2 number, since 2×23120131² = 1069080914914322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23120171) 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, 608406 + ... + 608443.

It is an arithmetic number, because the mean of its divisors is an integer number (6084250).

Almost surely, 2^23120131 is an apocalyptic number.

23120131 is a deficient number, since it is larger than the sum of its proper divisors (1216869).

23120131 is a wasteful number, since it uses less digits than its factorization.

23120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216868.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 23120131 is about 4808.3397342534. The cubic root of 23120131 is about 284.8809639343.

Adding to 23120131 its reverse (13102132), we get a palindrome (36222263).

The spelling of 23120131 in words is "twenty-three million, one hundred twenty thousand, one hundred thirty-one".