23100505450143 has 32 divisors (see below), whose sum is σ = 34794060617472. Its totient is φ = 13621919588640.

The previous prime is 23100505450093. The next prime is 23100505450153. The reversal of 23100505450143 is 34105450500132.

It is not a de Polignac number, because 23100505450143 - 2²⁰ = 23100504401567 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23100505450153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78031321 + ... + 78326802.

It is an arithmetic number, because the mean of its divisors is an integer number (1087314394296).

Almost surely, 2^{23100505450143} is an apocalyptic number.

23100505450143 is a deficient number, since it is larger than the sum of its proper divisors (11693555167329).

23100505450143 is a wasteful number, since it uses less digits than its factorization.

23100505450143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156358196 (or 156358174 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 23100505450143 its reverse (34105450500132), we get a palindrome (57205955950275).

The spelling of 23100505450143 in words is "twenty-three trillion, one hundred billion, five hundred five million, four hundred fifty thousand, one hundred forty-three".