123923237 has 4 divisors (see below), whose sum is σ = 124322016. Its totient is φ = 123524460.

The previous prime is 123923231. The next prime is 123923321. The reversal of 123923237 is 732329321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 732329321 = 383 ⋅1912087.

It is a cyclic number.

It is not a de Polignac number, because 123923237 - 2¹⁸ = 123661093 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 198923 + ... + 199544.

It is an arithmetic number, because the mean of its divisors is an integer number (31080504).

Almost surely, 2^123923237 is an apocalyptic number.

It is an amenable number.

123923237 is a deficient number, since it is larger than the sum of its proper divisors (398779).

123923237 is an equidigital number, since it uses as much as digits as its factorization.

123923237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398778.

The product of its digits is 13608, while the sum is 32.

The square root of 123923237 is about 11132.0814316102. The cubic root of 123923237 is about 498.5601737808.

The spelling of 123923237 in words is "one hundred twenty-three million, nine hundred twenty-three thousand, two hundred thirty-seven".