7731423423 has 24 divisors (see below), whose sum is σ = 11458190016. Its totient is φ = 5020569600.

The previous prime is 7731423407. The next prime is 7731423451. The reversal of 7731423423 is 3243241377.

It is not a de Polignac number, because 7731423423 - 2⁴ = 7731423407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7731423473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220186 + ... + 252872.

It is an arithmetic number, because the mean of its divisors is an integer number (477424584).

Almost surely, 2^7731423423 is an apocalyptic number.

7731423423 is a deficient number, since it is larger than the sum of its proper divisors (3726766593).

7731423423 is a wasteful number, since it uses less digits than its factorization.

7731423423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33375 (or 33372 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 7731423423 is about 87928.5131399366. The cubic root of 7731423423 is about 1977.3633768447.

The spelling of 7731423423 in words is "seven billion, seven hundred thirty-one million, four hundred twenty-three thousand, four hundred twenty-three".