431012423 has 2 divisors, whose sum is σ = 431012424. Its totient is φ = 431012422.

The previous prime is 431012399. The next prime is 431012429. The reversal of 431012423 is 324210134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431012423 - 2⁸ = 431012167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 431012395 and 431012404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431012429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215506211 + 215506212.

It is an arithmetic number, because the mean of its divisors is an integer number (215506212).

Almost surely, 2^431012423 is an apocalyptic number.

431012423 is a deficient number, since it is larger than the sum of its proper divisors (1).

431012423 is an equidigital number, since it uses as much as digits as its factorization.

431012423 is an odious number, because the sum of its binary digits is odd.

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

The square root of 431012423 is about 20760.8386872978. The cubic root of 431012423 is about 755.3761399306.

Adding to 431012423 its reverse (324210134), we get a palindrome (755222557).

The spelling of 431012423 in words is "four hundred thirty-one million, twelve thousand, four hundred twenty-three".