4023330431 has 2 divisors, whose sum is σ = 4023330432. Its totient is φ = 4023330430.

The previous prime is 4023330413. The next prime is 4023330473. The reversal of 4023330431 is 1340333204.

Together with previous prime (4023330413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4023330431 is a prime.

It is a super-2 number, since 2×4023330431² = 32374375514021291522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4023330397 and 4023330406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4023330931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011665215 + 2011665216.

It is an arithmetic number, because the mean of its divisors is an integer number (2011665216).

Almost surely, 2^4023330431 is an apocalyptic number.

4023330431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4023330431 is an equidigital number, since it uses as much as digits as its factorization.

4023330431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 4023330431 is about 63429.7282904475. The cubic root of 4023330431 is about 1590.4813003070.

Adding to 4023330431 its reverse (1340333204), we get a palindrome (5363663635).

The spelling of 4023330431 in words is "four billion, twenty-three million, three hundred thirty thousand, four hundred thirty-one".