123328245 has 16 divisors (see below), whose sum is σ = 198539712. Its totient is φ = 65370240.

The previous prime is 123328237. The next prime is 123328253. The reversal of 123328245 is 542823321.

It is an interprime number because it is at equal distance from previous prime (123328237) and next prime (123328253).

It is not a de Polignac number, because 123328245 - 2³ = 123328237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22776 + ... + 27665.

It is an arithmetic number, because the mean of its divisors is an integer number (12408732).

Almost surely, 2^123328245 is an apocalyptic number.

123328245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123328245 is a deficient number, since it is larger than the sum of its proper divisors (75211467).

123328245 is a wasteful number, since it uses less digits than its factorization.

123328245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50612.

The product of its digits is 11520, while the sum is 30.

The square root of 123328245 is about 11105.3250740354. The cubic root of 123328245 is about 497.7609818954.

The spelling of 123328245 in words is "one hundred twenty-three million, three hundred twenty-eight thousand, two hundred forty-five".