455459623 has 4 divisors (see below), whose sum is σ = 455562808. Its totient is φ = 455356440.

The previous prime is 455459579. The next prime is 455459663. The reversal of 455459623 is 326954554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326954554 = 2 ⋅163477277.

It is a cyclic number.

It is not a de Polignac number, because 455459623 - 2¹⁷ = 455328551 is a prime.

It is the 21342-nd Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 455459623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455459663) by changing a digit.

It is a nontrivial repunit in base 21341.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44661 + ... + 53902.

It is an arithmetic number, because the mean of its divisors is an integer number (113890702).

Almost surely, 2^455459623 is an apocalyptic number.

455459623 is a deficient number, since it is larger than the sum of its proper divisors (103185).

455459623 is an equidigital number, since it uses as much as digits as its factorization.

455459623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103184.

The product of its digits is 648000, while the sum is 43.

The square root of 455459623 is about 21341.5000175714. The cubic root of 455459623 is about 769.3960649218.

The spelling of 455459623 in words is "four hundred fifty-five million, four hundred fifty-nine thousand, six hundred twenty-three".