453278723 has 2 divisors, whose sum is σ = 453278724. Its totient is φ = 453278722.

The previous prime is 453278699. The next prime is 453278743. The reversal of 453278723 is 327872354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 453278723 - 2⁸ = 453278467 is a prime.

It is a super-4 number, since 4×453278723⁴ (a number of 36 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (453278743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226639361 + 226639362.

It is an arithmetic number, because the mean of its divisors is an integer number (226639362).

Almost surely, 2^453278723 is an apocalyptic number.

453278723 is a deficient number, since it is larger than the sum of its proper divisors (1).

453278723 is an equidigital number, since it uses as much as digits as its factorization.

453278723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 41.

The square root of 453278723 is about 21290.3434213730. The cubic root of 453278723 is about 768.1660537523.

The spelling of 453278723 in words is "four hundred fifty-three million, two hundred seventy-eight thousand, seven hundred twenty-three".