423614879 has 2 divisors, whose sum is σ = 423614880. Its totient is φ = 423614878.

The previous prime is 423614869. The next prime is 423614921. The reversal of 423614879 is 978416324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423614879 - 2⁸ = 423614623 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423614809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211807439 + 211807440.

It is an arithmetic number, because the mean of its divisors is an integer number (211807440).

Almost surely, 2^423614879 is an apocalyptic number.

423614879 is a deficient number, since it is larger than the sum of its proper divisors (1).

423614879 is an equidigital number, since it uses as much as digits as its factorization.

423614879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 423614879 is about 20581.9065929277. The cubic root of 423614879 is about 751.0296252563.

The spelling of 423614879 in words is "four hundred twenty-three million, six hundred fourteen thousand, eight hundred seventy-nine".