743243831 has 12 divisors (see below), whose sum is σ = 817633992. Its totient is φ = 675114000.

The previous prime is 743243821. The next prime is 743243861. The reversal of 743243831 is 138342347.

It is not a de Polignac number, because 743243831 - 2²² = 739049527 is a prime.

It is a super-2 number, since 2×743243831² = 1104822784639113122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 743243791 and 743243800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743243801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232061 + ... + 235241.

It is an arithmetic number, because the mean of its divisors is an integer number (68136166).

Almost surely, 2^743243831 is an apocalyptic number.

743243831 is a deficient number, since it is larger than the sum of its proper divisors (74390161).

743243831 is a wasteful number, since it uses less digits than its factorization.

743243831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5134 (or 5123 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 743243831 is about 27262.4986198991. The cubic root of 743243831 is about 905.8238912152.

The spelling of 743243831 in words is "seven hundred forty-three million, two hundred forty-three thousand, eight hundred thirty-one".