23550420142144 has 112 divisors (see below), whose sum is σ = 56169949298688. Its totient is φ = 9578191569408.

The previous prime is 23550420142091. The next prime is 23550420142187. The reversal of 23550420142144 is 44124102405532.

It is a tau number, because it is divible by the number of its divisors (112).

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, 7689664 + ... + 10306879.

Almost surely, 2^{23550420142144} is an apocalyptic number.

It is an amenable number.

23550420142144 is an abundant number, since it is smaller than the sum of its proper divisors (32619529156544).

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

23550420142144 is a wasteful number, since it uses less digits than its factorization.

23550420142144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17996712 (or 17996702 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 23550420142144 its reverse (44124102405532), we get a palindrome (67674522547676).

The spelling of 23550420142144 in words is "twenty-three trillion, five hundred fifty billion, four hundred twenty million, one hundred forty-two thousand, one hundred forty-four".