123023232 has 64 divisors (see below), whose sum is σ = 363099600. Its totient is φ = 41006592.

The previous prime is 123023231. The next prime is 123023269. The reversal of 123023232 is 232320321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×123023232² = 30269431223451648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123023231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14343 + ... + 21254.

Almost surely, 2^123023232 is an apocalyptic number.

123023232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123023232 is an abundant number, since it is smaller than the sum of its proper divisors (240076368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123023232 is an equidigital number, since it uses as much as digits as its factorization.

123023232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35620 (or 35602 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 123023232 is about 11091.5838364050. The cubic root of 123023232 is about 497.3502922355.

Adding to 123023232 its reverse (232320321), we get a palindrome (355343553).

The spelling of 123023232 in words is "one hundred twenty-three million, twenty-three thousand, two hundred thirty-two".