423488831 has 2 divisors, whose sum is σ = 423488832. Its totient is φ = 423488830.

The previous prime is 423488803. The next prime is 423488839. The reversal of 423488831 is 138884324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423488831 is a prime.

It is a super-2 number, since 2×423488831² = 358685579963493122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423488839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211744415 + 211744416.

It is an arithmetic number, because the mean of its divisors is an integer number (211744416).

Almost surely, 2^423488831 is an apocalyptic number.

423488831 is a deficient number, since it is larger than the sum of its proper divisors (1).

423488831 is an equidigital number, since it uses as much as digits as its factorization.

423488831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 41.

The square root of 423488831 is about 20578.8442581210. The cubic root of 423488831 is about 750.9551274221.

The spelling of 423488831 in words is "four hundred twenty-three million, four hundred eighty-eight thousand, eight hundred thirty-one".