452209423 has 2 divisors, whose sum is σ = 452209424. Its totient is φ = 452209422.

The previous prime is 452209399. The next prime is 452209427. The reversal of 452209423 is 324902254.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452209423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452209427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226104711 + 226104712.

It is an arithmetic number, because the mean of its divisors is an integer number (226104712).

Almost surely, 2^452209423 is an apocalyptic number.

452209423 is a deficient number, since it is larger than the sum of its proper divisors (1).

452209423 is an equidigital number, since it uses as much as digits as its factorization.

452209423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 452209423 is about 21265.2162697679. The cubic root of 452209423 is about 767.5615348174.

The spelling of 452209423 in words is "four hundred fifty-two million, two hundred nine thousand, four hundred twenty-three".