2323139231 has 4 divisors (see below), whose sum is σ = 2655016272. Its totient is φ = 1991262192.

The previous prime is 2323139213. The next prime is 2323139237. The reversal of 2323139231 is 1329313232.

2323139231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2323139231 - 2²⁶ = 2256030367 is a prime.

It is a super-2 number, since 2×2323139231² = 10793951773222542722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2323139194 and 2323139203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2323139237) 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, 165938510 + ... + 165938523.

It is an arithmetic number, because the mean of its divisors is an integer number (663754068).

Almost surely, 2^2323139231 is an apocalyptic number.

2323139231 is a deficient number, since it is larger than the sum of its proper divisors (331877041).

2323139231 is an equidigital number, since it uses as much as digits as its factorization.

2323139231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331877040.

The product of its digits is 5832, while the sum is 29.

The square root of 2323139231 is about 48198.9546670880. The cubic root of 2323139231 is about 1324.4180153963.

The spelling of 2323139231 in words is "two billion, three hundred twenty-three million, one hundred thirty-nine thousand, two hundred thirty-one".