23400015017144 has 16 divisors (see below), whose sum is σ = 44430408261600. Its totient is φ = 11551906147392.

The previous prime is 23400015017143. The next prime is 23400015017147. The reversal of 23400015017144 is 44171051000432.

It is a super-2 number, since 2×23400015017144² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23400015017144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23400015017143) 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, 18512669477 + ... + 18512670740.

It is an arithmetic number, because the mean of its divisors is an integer number (2776900516350).

Almost surely, 2^{23400015017144} is an apocalyptic number.

It is an amenable number.

23400015017144 is a deficient number, since it is larger than the sum of its proper divisors (21030393244456).

23400015017144 is a wasteful number, since it uses less digits than its factorization.

23400015017144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37025340302 (or 37025340298 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 23400015017144 its reverse (44171051000432), we get a palindrome (67571066017576).

The spelling of 23400015017144 in words is "twenty-three trillion, four hundred billion, fifteen million, seventeen thousand, one hundred forty-four".