123302390 has 16 divisors (see below), whose sum is σ = 223063200. Its totient is φ = 49072320.

The previous prime is 123302359. The next prime is 123302429. The reversal of 123302390 is 93203321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28991 + ... + 32970.

It is an arithmetic number, because the mean of its divisors is an integer number (13941450).

Almost surely, 2^123302390 is an apocalyptic number.

123302390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123302390 is a deficient number, since it is larger than the sum of its proper divisors (99760810).

123302390 is a wasteful number, since it uses less digits than its factorization.

123302390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62167.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 123302390 is about 11104.1609318309. The cubic root of 123302390 is about 497.7261952990.

The spelling of 123302390 in words is "one hundred twenty-three million, three hundred two thousand, three hundred ninety".