4123397431 has 2 divisors, whose sum is σ = 4123397432. Its totient is φ = 4123397430.

The previous prime is 4123397407. The next prime is 4123397437. The reversal of 4123397431 is 1347933214.

4123397431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4123397431 - 2²³ = 4115008823 is a prime.

It is a super-2 number, since 2×4123397431² = 34004812747954799522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4123397437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061698715 + 2061698716.

It is an arithmetic number, because the mean of its divisors is an integer number (2061698716).

Almost surely, 2^4123397431 is an apocalyptic number.

4123397431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4123397431 is an equidigital number, since it uses as much as digits as its factorization.

4123397431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 4123397431 is about 64213.6856986110. The cubic root of 4123397431 is about 1603.5594494061.

The spelling of 4123397431 in words is "four billion, one hundred twenty-three million, three hundred ninety-seven thousand, four hundred thirty-one".