455454623 has 4 divisors (see below), whose sum is σ = 490489608. Its totient is φ = 420419640.

The previous prime is 455454613. The next prime is 455454641. The reversal of 455454623 is 326454554.

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 455454623 - 2⁴ = 455454607 is a prime.

It is a super-2 number, since 2×455454623² = 414877827224144258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455454613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17517473 + ... + 17517498.

It is an arithmetic number, because the mean of its divisors is an integer number (122622402).

Almost surely, 2^455454623 is an apocalyptic number.

455454623 is a deficient number, since it is larger than the sum of its proper divisors (35034985).

455454623 is a wasteful number, since it uses less digits than its factorization.

455454623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35034984.

The product of its digits is 288000, while the sum is 38.

The square root of 455454623 is about 21341.3828745937. The cubic root of 455454623 is about 769.3932494550.

The spelling of 455454623 in words is "four hundred fifty-five million, four hundred fifty-four thousand, six hundred twenty-three".