13433431023 has 12 divisors (see below), whose sum is σ = 19490860480. Its totient is φ = 8915459616.

The previous prime is 13433431021. The next prime is 13433431087. The reversal of 13433431023 is 32013433431.

13433431023 is a `hidden beast` number, since 1 + 343 + 3 + 4 + 310 + 2 + 3 = 666.

It is not a de Polignac number, because 13433431023 - 2¹ = 13433431021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13433431021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3344638 + ... + 3348651.

Almost surely, 2^13433431023 is an apocalyptic number.

13433431023 is a deficient number, since it is larger than the sum of its proper divisors (6057429457).

13433431023 is a wasteful number, since it uses less digits than its factorization.

13433431023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6693518 (or 6693515 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 13433431023 its reverse (32013433431), we get a palindrome (45446864454).

The spelling of 13433431023 in words is "thirteen billion, four hundred thirty-three million, four hundred thirty-one thousand, twenty-three".