455605623 has 12 divisors (see below), whose sum is σ = 717924168. Its totient is φ = 276124560.

The previous prime is 455605621. The next prime is 455605673. The reversal of 455605623 is 326506554.

It is a happy number.

455605623 is a `hidden beast` number, since 45 + 5 + 605 + 6 + 2 + 3 = 666.

It is not a de Polignac number, because 455605623 - 2¹ = 455605621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455605621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2300940 + ... + 2301137.

It is an arithmetic number, because the mean of its divisors is an integer number (59827014).

Almost surely, 2^455605623 is an apocalyptic number.

455605623 is a deficient number, since it is larger than the sum of its proper divisors (262318545).

455605623 is a wasteful number, since it uses less digits than its factorization.

455605623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602094 (or 4602091 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 455605623 is about 21344.9203090571. The cubic root of 455605623 is about 769.4782674700.

The spelling of 455605623 in words is "four hundred fifty-five million, six hundred five thousand, six hundred twenty-three".