23135454344544 has 96 divisors (see below), whose sum is σ = 63373651326720. Its totient is φ = 7376216212992.

The previous prime is 23135454344531. The next prime is 23135454344579. The reversal of 23135454344544 is 44544345453132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56468622 + ... + 56876850.

It is an arithmetic number, because the mean of its divisors is an integer number (660142201320).

Almost surely, 2^{23135454344544} is an apocalyptic number.

23135454344544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23135454344544 is an abundant number, since it is smaller than the sum of its proper divisors (40238196982176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23135454344544 is a wasteful number, since it uses less digits than its factorization.

23135454344544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433932 (or 433924 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 51.

Adding to 23135454344544 its reverse (44544345453132), we get a palindrome (67679799797676).

The spelling of 23135454344544 in words is "twenty-three trillion, one hundred thirty-five billion, four hundred fifty-four million, three hundred forty-four thousand, five hundred forty-four".