123090475 has 6 divisors (see below), whose sum is σ = 152632220. Its totient is φ = 98472360.

The previous prime is 123090469. The next prime is 123090479. The reversal of 123090475 is 574090321.

It is not a de Polignac number, because 123090475 - 2¹⁵ = 123057707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123090479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2461785 + ... + 2461834.

Almost surely, 2^123090475 is an apocalyptic number.

123090475 is a deficient number, since it is larger than the sum of its proper divisors (29541745).

123090475 is an equidigital number, since it uses as much as digits as its factorization.

123090475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923629 (or 4923624 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 123090475 is about 11094.6146846116. The cubic root of 123090475 is about 497.4408909345.

The spelling of 123090475 in words is "one hundred twenty-three million, ninety thousand, four hundred seventy-five".