231433023044 has 24 divisors (see below), whose sum is σ = 405559405440. Its totient is φ = 115558985696.

The previous prime is 231433023007. The next prime is 231433023091. The reversal of 231433023044 is 440320334132.

It is a super-2 number, since 2×231433023044² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231433022998 and 231433023016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16012229 + ... + 16026675.

It is an arithmetic number, because the mean of its divisors is an integer number (16898308560).

Almost surely, 2^231433023044 is an apocalyptic number.

It is an amenable number.

231433023044 is a deficient number, since it is larger than the sum of its proper divisors (174126382396).

231433023044 is a wasteful number, since it uses less digits than its factorization.

231433023044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19627 (or 19625 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 231433023044 its reverse (440320334132), we get a palindrome (671753357176).

The spelling of 231433023044 in words is "two hundred thirty-one billion, four hundred thirty-three million, twenty-three thousand, forty-four".