453402023 has 4 divisors (see below), whose sum is σ = 453600528. Its totient is φ = 453203520.

The previous prime is 453402017. The next prime is 453402031. The reversal of 453402023 is 320204354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320204354 = 2 ⋅160102177.

It is a cyclic number.

It is not a de Polignac number, because 453402023 - 2⁴ = 453402007 is a prime.

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 453402023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453402623) 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, 95786 + ... + 100407.

It is an arithmetic number, because the mean of its divisors is an integer number (113400132).

Almost surely, 2^453402023 is an apocalyptic number.

453402023 is a deficient number, since it is larger than the sum of its proper divisors (198505).

453402023 is a wasteful number, since it uses less digits than its factorization.

453402023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198504.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 453402023 is about 21293.2389034642. The cubic root of 453402023 is about 768.2356991183.

Adding to 453402023 its reverse (320204354), we get a palindrome (773606377).

The spelling of 453402023 in words is "four hundred fifty-three million, four hundred two thousand, twenty-three".