123361455 has 32 divisors (see below), whose sum is σ = 226856448. Its totient is φ = 56073600.

The previous prime is 123361429. The next prime is 123361457. The reversal of 123361455 is 554163321.

It is not a de Polignac number, because 123361455 - 2⁷ = 123361327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123361457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15760 + ... + 22250.

It is an arithmetic number, because the mean of its divisors is an integer number (7089264).

Almost surely, 2^123361455 is an apocalyptic number.

123361455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123361455 is a deficient number, since it is larger than the sum of its proper divisors (103494993).

123361455 is a wasteful number, since it uses less digits than its factorization.

123361455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6687.

The product of its digits is 10800, while the sum is 30.

The square root of 123361455 is about 11106.8202020200. The cubic root of 123361455 is about 497.8056571403.

The spelling of 123361455 in words is "one hundred twenty-three million, three hundred sixty-one thousand, four hundred fifty-five".