123265123 has 4 divisors (see below), whose sum is σ = 123303600. Its totient is φ = 123226648.

The previous prime is 123265091. The next prime is 123265127. The reversal of 123265123 is 321562321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123265123 - 2⁵ = 123265091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123265127) 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 3 ways as a sum of consecutive naturals, for example, 13948 + ... + 21001.

It is an arithmetic number, because the mean of its divisors is an integer number (30825900).

Almost surely, 2^123265123 is an apocalyptic number.

123265123 is a deficient number, since it is larger than the sum of its proper divisors (38477).

123265123 is an equidigital number, since it uses as much as digits as its factorization.

123265123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38476.

The product of its digits is 2160, while the sum is 25.

The square root of 123265123 is about 11102.4827403604. The cubic root of 123265123 is about 497.6760458760.

The spelling of 123265123 in words is "one hundred twenty-three million, two hundred sixty-five thousand, one hundred twenty-three".