123055655 has 16 divisors (see below), whose sum is σ = 149822400. Its totient is φ = 97016832.

The previous prime is 123055633. The next prime is 123055657. The reversal of 123055655 is 556550321.

It is a cyclic number.

It is not a de Polignac number, because 123055655 - 2¹⁴ = 123039271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123055657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168902 + ... + 169628.

It is an arithmetic number, because the mean of its divisors is an integer number (9363900).

Almost surely, 2^123055655 is an apocalyptic number.

123055655 is a deficient number, since it is larger than the sum of its proper divisors (26766745).

123055655 is an equidigital number, since it uses as much as digits as its factorization.

123055655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 123055655 is about 11093.0453438179. The cubic root of 123055655 is about 497.3939809270.

The spelling of 123055655 in words is "one hundred twenty-three million, fifty-five thousand, six hundred fifty-five".