123923235 has 16 divisors (see below), whose sum is σ = 205115040. Its totient is φ = 63813120.

The previous prime is 123923231. The next prime is 123923321. The reversal of 123923235 is 532329321.

It is not a de Polignac number, because 123923235 - 2² = 123923231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123923231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142006 + ... + 142875.

It is an arithmetic number, because the mean of its divisors is an integer number (12819690).

Almost surely, 2^123923235 is an apocalyptic number.

123923235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123923235 is a deficient number, since it is larger than the sum of its proper divisors (81191805).

123923235 is a wasteful number, since it uses less digits than its factorization.

123923235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284918.

The product of its digits is 9720, while the sum is 30.

The square root of 123923235 is about 11132.0813417797. The cubic root of 123923235 is about 498.5601710987.

The spelling of 123923235 in words is "one hundred twenty-three million, nine hundred twenty-three thousand, two hundred thirty-five".