23431420013 has 8 divisors (see below), whose sum is σ = 23603697600. Its totient is φ = 23259195648.

The previous prime is 23431419983. The next prime is 23431420037. The reversal of 23431420013 is 31002413432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23431420013 - 2³² = 19136452717 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 (23431420513) 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 7 ways as a sum of consecutive naturals, for example, 1474253 + ... + 1490061.

It is an arithmetic number, because the mean of its divisors is an integer number (2950462200).

Almost surely, 2^23431420013 is an apocalyptic number.

It is an amenable number.

23431420013 is a deficient number, since it is larger than the sum of its proper divisors (172277587).

23431420013 is a wasteful number, since it uses less digits than its factorization.

23431420013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26611.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23431420013 its reverse (31002413432), we get a palindrome (54433833445).

The spelling of 23431420013 in words is "twenty-three billion, four hundred thirty-one million, four hundred twenty thousand, thirteen".