12023131 has 8 divisors (see below), whose sum is σ = 12885264. Its totient is φ = 11178240.

The previous prime is 12023119. The next prime is 12023153. The reversal of 12023131 is 13132021.

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 12023131 - 2⁷ = 12023003 is a prime.

It is a super-2 number, since 2×12023131² = 289111358086322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12023171) 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, 2850 + ... + 5671.

It is an arithmetic number, because the mean of its divisors is an integer number (1610658).

Almost surely, 2^12023131 is an apocalyptic number.

12023131 is a deficient number, since it is larger than the sum of its proper divisors (862133).

12023131 is an equidigital number, since it uses as much as digits as its factorization.

12023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8621.

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

The square root of 12023131 is about 3467.4386800634. The cubic root of 12023131 is about 229.0898562342.

Adding to 12023131 its reverse (13132021), we get a palindrome (25155152).

The spelling of 12023131 in words is "twelve million, twenty-three thousand, one hundred thirty-one".