452921623 has 64 divisors (see below), whose sum is σ = 615859200. Its totient is φ = 322882560.

The previous prime is 452921617. The next prime is 452921659. The reversal of 452921623 is 326129254.

It is a de Polignac number, because none of the positive numbers 2^k-452921623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452921683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5088963 + ... + 5089051.

It is an arithmetic number, because the mean of its divisors is an integer number (9622800).

Almost surely, 2^452921623 is an apocalyptic number.

452921623 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

452921623 is a deficient number, since it is larger than the sum of its proper divisors (162937577).

452921623 is a wasteful number, since it uses less digits than its factorization.

452921623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232.

The product of its digits is 25920, while the sum is 34.

The square root of 452921623 is about 21281.9553377973. The cubic root of 452921623 is about 767.9642763829.

The spelling of 452921623 in words is "four hundred fifty-two million, nine hundred twenty-one thousand, six hundred twenty-three".