123031323 has 12 divisors (see below), whose sum is σ = 178845888. Its totient is φ = 81497520.

The previous prime is 123031303. The next prime is 123031331. The reversal of 123031323 is 323130321.

It is not a de Polignac number, because 123031323 - 2⁵ = 123031291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123031296 and 123031305.

It is not an unprimeable number, because it can be changed into a prime (123031303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42123 + ... + 44948.

It is an arithmetic number, because the mean of its divisors is an integer number (14903824).

Almost surely, 2^123031323 is an apocalyptic number.

123031323 is a deficient number, since it is larger than the sum of its proper divisors (55814565).

123031323 is a wasteful number, since it uses less digits than its factorization.

123031323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87234 (or 87231 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 123031323 is about 11091.9485664152. The cubic root of 123031323 is about 497.3611952520.

Adding to 123031323 its reverse (323130321), we get a palindrome (446161644).

The spelling of 123031323 in words is "one hundred twenty-three million, thirty-one thousand, three hundred twenty-three".