423241031 has 2 divisors, whose sum is σ = 423241032. Its totient is φ = 423241030.

The previous prime is 423241019. The next prime is 423241033. The reversal of 423241031 is 130142324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423241031 - 2⁶ = 423240967 is a prime.

It is a super-2 number, since 2×423241031² = 358265940643885922, which contains 22 as substring.

Together with 423241033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 423240994 and 423241012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423241033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211620515 + 211620516.

It is an arithmetic number, because the mean of its divisors is an integer number (211620516).

Almost surely, 2^423241031 is an apocalyptic number.

423241031 is a deficient number, since it is larger than the sum of its proper divisors (1).

423241031 is an equidigital number, since it uses as much as digits as its factorization.

423241031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 423241031 is about 20572.8226308399. The cubic root of 423241031 is about 750.8086277002.

Adding to 423241031 its reverse (130142324), we get a palindrome (553383355).

The spelling of 423241031 in words is "four hundred twenty-three million, two hundred forty-one thousand, thirty-one".