123372085 has 16 divisors (see below), whose sum is σ = 151103232. Its totient is φ = 96678400.

The previous prime is 123372071. The next prime is 123372089. The reversal of 123372085 is 580273321.

It is a de Polignac number, because none of the positive numbers 2^k-123372085 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 (123372089) 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 15 ways as a sum of consecutive naturals, for example, 58245 + ... + 60325.

It is an arithmetic number, because the mean of its divisors is an integer number (9443952).

Almost surely, 2^123372085 is an apocalyptic number.

It is an amenable number.

123372085 is a deficient number, since it is larger than the sum of its proper divisors (27731147).

123372085 is a wasteful number, since it uses less digits than its factorization.

123372085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 123372085 is about 11107.2987265131. The cubic root of 123372085 is about 497.8199552913.

The spelling of 123372085 in words is "one hundred twenty-three million, three hundred seventy-two thousand, eighty-five".