455506123 has 2 divisors, whose sum is σ = 455506124. Its totient is φ = 455506122.

The previous prime is 455506111. The next prime is 455506127. The reversal of 455506123 is 321605554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 455506123 - 2⁵ = 455506091 is a prime.

It is a super-2 number, since 2×455506123² = 414971656180982258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (455506127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227753061 + 227753062.

It is an arithmetic number, because the mean of its divisors is an integer number (227753062).

Almost surely, 2^455506123 is an apocalyptic number.

455506123 is a deficient number, since it is larger than the sum of its proper divisors (1).

455506123 is an equidigital number, since it uses as much as digits as its factorization.

455506123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 455506123 is about 21342.5894164696. The cubic root of 455506123 is about 769.4222477766.

The spelling of 455506123 in words is "four hundred fifty-five million, five hundred six thousand, one hundred twenty-three".