23142200144 has 40 divisors (see below), whose sum is σ = 51557860800. Its totient is φ = 9857230848.

The previous prime is 23142200141. The next prime is 23142200149. The reversal of 23142200144 is 44100224132.

It is a super-2 number, since 2×23142200144² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23142200141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615569 + ... + 652080.

It is an arithmetic number, because the mean of its divisors is an integer number (1288946520).

Almost surely, 2^23142200144 is an apocalyptic number.

It is an amenable number.

23142200144 is an abundant number, since it is smaller than the sum of its proper divisors (28415660656).

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

23142200144 is a wasteful number, since it uses less digits than its factorization.

23142200144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267827 (or 1267821 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 23142200144 its reverse (44100224132), we get a palindrome (67242424276).

The spelling of 23142200144 in words is "twenty-three billion, one hundred forty-two million, two hundred thousand, one hundred forty-four".