123231033 has 12 divisors (see below), whose sum is σ = 185739840. Its totient is φ = 78581976.

The previous prime is 123231019. The next prime is 123231037. The reversal of 123231033 is 330132321.

It is not a de Polignac number, because 123231033 - 2⁵ = 123231001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123230997 and 123231015.

It is not an unprimeable number, because it can be changed into a prime (123231037) 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, 297453 + ... + 297866.

It is an arithmetic number, because the mean of its divisors is an integer number (15478320).

Almost surely, 2^123231033 is an apocalyptic number.

It is an amenable number.

123231033 is a deficient number, since it is larger than the sum of its proper divisors (62508807).

123231033 is a wasteful number, since it uses less digits than its factorization.

123231033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595348 (or 595345 counting only the distinct ones).

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

The square root of 123231033 is about 11100.9473920022. The cubic root of 123231033 is about 497.6301628226.

Adding to 123231033 its reverse (330132321), we get a palindrome (453363354).

The spelling of 123231033 in words is "one hundred twenty-three million, two hundred thirty-one thousand, thirty-three".