23431343644303 has 16 divisors (see below), whose sum is σ = 26855721118720. Its totient is φ = 20026243456416.

The previous prime is 23431343644301. The next prime is 23431343644307. The reversal of 23431343644303 is 30344634313432.

It is a cyclic number.

It is not a de Polignac number, because 23431343644303 - 2¹ = 23431343644301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23431343644303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431343644301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16315225 + ... + 17693197.

It is an arithmetic number, because the mean of its divisors is an integer number (1678482569920).

Almost surely, 2^{23431343644303} is an apocalyptic number.

23431343644303 is a deficient number, since it is larger than the sum of its proper divisors (3424377474417).

23431343644303 is a wasteful number, since it uses less digits than its factorization.

23431343644303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384966.

The product of its (nonzero) digits is 2239488, while the sum is 43.

Adding to 23431343644303 its reverse (30344634313432), we get a palindrome (53775977957735).

The spelling of 23431343644303 in words is "twenty-three trillion, four hundred thirty-one billion, three hundred forty-three million, six hundred forty-four thousand, three hundred three".