123337231 has 4 divisors (see below), whose sum is σ = 123595200. Its totient is φ = 123079264.

The previous prime is 123337219. The next prime is 123337237. The reversal of 123337231 is 132733321.

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 123337231 - 2⁷ = 123337103 is a prime.

It is a super-2 number, since 2×123337231² = 30424145101494722, 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 = 123337196 and 123337205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123337237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128266 + ... + 129223.

It is an arithmetic number, because the mean of its divisors is an integer number (30898800).

Almost surely, 2^123337231 is an apocalyptic number.

123337231 is a deficient number, since it is larger than the sum of its proper divisors (257969).

123337231 is an equidigital number, since it uses as much as digits as its factorization.

123337231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257968.

The product of its digits is 2268, while the sum is 25.

The square root of 123337231 is about 11105.7296473487. The cubic root of 123337231 is about 497.7730709659.

The spelling of 123337231 in words is "one hundred twenty-three million, three hundred thirty-seven thousand, two hundred thirty-one".