23443331660099 has 4 divisors (see below), whose sum is σ = 25246664864736. Its totient is φ = 21639998455464.

The previous prime is 23443331660093. The next prime is 23443331660219. The reversal of 23443331660099 is 99006613334432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23443331660099 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 23443331660099.

It is not an unprimeable number, because it can be changed into a prime (23443331660093) 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, 901666602299 + ... + 901666602324.

It is an arithmetic number, because the mean of its divisors is an integer number (6311666216184).

Almost surely, 2^{23443331660099} is an apocalyptic number.

23443331660099 is a deficient number, since it is larger than the sum of its proper divisors (1803333204637).

23443331660099 is a wasteful number, since it uses less digits than its factorization.

23443331660099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803333204636.

The product of its (nonzero) digits is 7558272, while the sum is 53.

The spelling of 23443331660099 in words is "twenty-three trillion, four hundred forty-three billion, three hundred thirty-one million, six hundred sixty thousand, ninety-nine".