423722867 has 2 divisors, whose sum is σ = 423722868. Its totient is φ = 423722866.

The previous prime is 423722833. The next prime is 423722881. The reversal of 423722867 is 768227324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423722867 - 2¹⁶ = 423657331 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423724867) 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 as a sum of consecutive naturals, namely, 211861433 + 211861434.

It is an arithmetic number, because the mean of its divisors is an integer number (211861434).

Almost surely, 2^423722867 is an apocalyptic number.

423722867 is a deficient number, since it is larger than the sum of its proper divisors (1).

423722867 is an equidigital number, since it uses as much as digits as its factorization.

423722867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 41.

The square root of 423722867 is about 20584.5297978846. The cubic root of 423722867 is about 751.0934373812.

The spelling of 423722867 in words is "four hundred twenty-three million, seven hundred twenty-two thousand, eight hundred sixty-seven".