4231891423 has 2 divisors, whose sum is σ = 4231891424. Its totient is φ = 4231891422.

The previous prime is 4231891373. The next prime is 4231891457. The reversal of 4231891423 is 3241981324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4231891423 - 2²⁵ = 4198336991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4231894423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115945711 + 2115945712.

It is an arithmetic number, because the mean of its divisors is an integer number (2115945712).

Almost surely, 2^4231891423 is an apocalyptic number.

4231891423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231891423 is an equidigital number, since it uses as much as digits as its factorization.

4231891423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 37.

The square root of 4231891423 is about 65052.9893471468. The cubic root of 4231891423 is about 1617.5020466010.

The spelling of 4231891423 in words is "four billion, two hundred thirty-one million, eight hundred ninety-one thousand, four hundred twenty-three".