23431444144193 has 4 divisors (see below), whose sum is σ = 23432765210820. Its totient is φ = 23430123077568.

The previous prime is 23431444144187. The next prime is 23431444144201. The reversal of 23431444144193 is 39144144413432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14163608590849 + 9267835553344 = 3763457^2 + 3044312^2 .

It is a cyclic number.

It is not a de Polignac number, because 23431444144193 - 2²⁶ = 23431377035329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23431444144103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660506708 + ... + 660542181.

It is an arithmetic number, because the mean of its divisors is an integer number (5858191302705).

Almost surely, 2^{23431444144193} is an apocalyptic number.

It is an amenable number.

23431444144193 is a deficient number, since it is larger than the sum of its proper divisors (1321066627).

23431444144193 is a wasteful number, since it uses less digits than its factorization.

23431444144193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321066626.

The product of its digits is 1990656, while the sum is 47.

The spelling of 23431444144193 in words is "twenty-three trillion, four hundred thirty-one billion, four hundred forty-four million, one hundred forty-four thousand, one hundred ninety-three".