423862359091 has 2 divisors, whose sum is σ = 423862359092. Its totient is φ = 423862359090.

The previous prime is 423862359071. The next prime is 423862359097. The reversal of 423862359091 is 190953268324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423862359091 - 2²¹ = 423860261939 is a prime.

It is not a weakly prime, because it can be changed into another prime (423862359097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211931179545 + 211931179546.

It is an arithmetic number, because the mean of its divisors is an integer number (211931179546).

Almost surely, 2^423862359091 is an apocalyptic number.

423862359091 is a deficient number, since it is larger than the sum of its proper divisors (1).

423862359091 is an equidigital number, since it uses as much as digits as its factorization.

423862359091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 423862359091 in words is "four hundred twenty-three billion, eight hundred sixty-two million, three hundred fifty-nine thousand, ninety-one".