23201131 has 8 divisors (see below), whose sum is σ = 24228720. Its totient is φ = 22188768.

The previous prime is 23201119. The next prime is 23201137. The reversal of 23201131 is 13110232.

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

It is a cyclic number.

It is not a de Polignac number, because 23201131 - 2⁵ = 23201099 is a prime.

It is a super-2 number, since 2×23201131² = 1076584959358322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23201137) 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 7 ways as a sum of consecutive naturals, for example, 636 + ... + 6841.

It is an arithmetic number, because the mean of its divisors is an integer number (3028590).

Almost surely, 2^23201131 is an apocalyptic number.

23201131 is a deficient number, since it is larger than the sum of its proper divisors (1027589).

23201131 is a wasteful number, since it uses less digits than its factorization.

23201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7613.

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

The square root of 23201131 is about 4816.7552356332. The cubic root of 23201131 is about 285.2132639934.

Adding to 23201131 its reverse (13110232), we get a palindrome (36311363).

It can be divided in two parts, 23201 and 131, that added together give a palindrome (23332).

The spelling of 23201131 in words is "twenty-three million, two hundred one thousand, one hundred thirty-one".