23503440144144 has 20 divisors (see below), whose sum is σ = 60717220372496. Its totient is φ = 7834480048032.

The previous prime is 23503440144143. The next prime is 23503440144157. The reversal of 23503440144144 is 44144104430532.

It is not an unprimeable number, because it can be changed into a prime (23503440144143) 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, 244827501454 + ... + 244827501549.

Almost surely, 2^{23503440144144} is an apocalyptic number.

23503440144144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23503440144144 is an abundant number, since it is smaller than the sum of its proper divisors (37213780228352).

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

23503440144144 is a wasteful number, since it uses less digits than its factorization.

23503440144144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489655003014 (or 489655003008 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 39.

Adding to 23503440144144 its reverse (44144104430532), we get a palindrome (67647544574676).

The spelling of 23503440144144 in words is "twenty-three trillion, five hundred three billion, four hundred forty million, one hundred forty-four thousand, one hundred forty-four".