123332455 has 4 divisors (see below), whose sum is σ = 147998952. Its totient is φ = 98665960.

The previous prime is 123332453. The next prime is 123332491. The reversal of 123332455 is 554233321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 554233321 = 43 ⋅12889147.

It is not a de Polignac number, because 123332455 - 2¹ = 123332453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123332453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12333241 + ... + 12333250.

It is an arithmetic number, because the mean of its divisors is an integer number (36999738).

Almost surely, 2^123332455 is an apocalyptic number.

123332455 is a deficient number, since it is larger than the sum of its proper divisors (24666497).

123332455 is an equidigital number, since it uses as much as digits as its factorization.

123332455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24666496.

The product of its digits is 10800, while the sum is 28.

The square root of 123332455 is about 11105.5146211240. The cubic root of 123332455 is about 497.7666457774.

Adding to 123332455 its reverse (554233321), we get a palindrome (677565776).

The spelling of 123332455 in words is "one hundred twenty-three million, three hundred thirty-two thousand, four hundred fifty-five".