423403233971 has 2 divisors, whose sum is σ = 423403233972. Its totient is φ = 423403233970.

The previous prime is 423403233961. The next prime is 423403234021. The reversal of 423403233971 is 179332304324.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423403233971 is a prime.

It is not a weakly prime, because it can be changed into another prime (423403233961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211701616985 + 211701616986.

It is an arithmetic number, because the mean of its divisors is an integer number (211701616986).

Almost surely, 2^423403233971 is an apocalyptic number.

423403233971 is a deficient number, since it is larger than the sum of its proper divisors (1).

423403233971 is an equidigital number, since it uses as much as digits as its factorization.

423403233971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 41.

The spelling of 423403233971 in words is "four hundred twenty-three billion, four hundred three million, two hundred thirty-three thousand, nine hundred seventy-one".