454556623 has 4 divisors (see below), whose sum is σ = 454801960. Its totient is φ = 454311288.

The previous prime is 454556621. The next prime is 454556639. The reversal of 454556623 is 326655454.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 454556623 - 2¹ = 454556621 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 (454556621) 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, 119868 + ... + 123601.

It is an arithmetic number, because the mean of its divisors is an integer number (113700490).

Almost surely, 2^454556623 is an apocalyptic number.

454556623 is a deficient number, since it is larger than the sum of its proper divisors (245337).

454556623 is a wasteful number, since it uses less digits than its factorization.

454556623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245336.

The product of its digits is 432000, while the sum is 40.

The square root of 454556623 is about 21320.3335574282. Note that the first 3 decimals coincide. The cubic root of 454556623 is about 768.8872570659.

The spelling of 454556623 in words is "four hundred fifty-four million, five hundred fifty-six thousand, six hundred twenty-three".