453400723 has 4 divisors (see below), whose sum is σ = 453457440. Its totient is φ = 453344008.

The previous prime is 453400721. The next prime is 453400733. The reversal of 453400723 is 327004354.

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 453400723 - 2¹ = 453400721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 453400691 and 453400700.

It is not an unprimeable number, because it can be changed into a prime (453400721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13915 + ... + 33172.

It is an arithmetic number, because the mean of its divisors is an integer number (113364360).

Almost surely, 2^453400723 is an apocalyptic number.

453400723 is a deficient number, since it is larger than the sum of its proper divisors (56717).

453400723 is an equidigital number, since it uses as much as digits as its factorization.

453400723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56716.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 453400723 is about 21293.2083773207. The cubic root of 453400723 is about 768.2349648859.

The spelling of 453400723 in words is "four hundred fifty-three million, four hundred thousand, seven hundred twenty-three".