423292087 has 2 divisors, whose sum is σ = 423292088. Its totient is φ = 423292086.

The previous prime is 423292049. The next prime is 423292147. The reversal of 423292087 is 780292324.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423292087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423296087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211646043 + 211646044.

It is an arithmetic number, because the mean of its divisors is an integer number (211646044).

Almost surely, 2^423292087 is an apocalyptic number.

423292087 is a deficient number, since it is larger than the sum of its proper divisors (1).

423292087 is an equidigital number, since it uses as much as digits as its factorization.

423292087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 423292087 is about 20574.0634537760. The cubic root of 423292087 is about 750.8388167581.

The spelling of 423292087 in words is "four hundred twenty-three million, two hundred ninety-two thousand, eighty-seven".