122553323144 has 16 divisors (see below), whose sum is σ = 262614264000. Its totient is φ = 52522852752.

The previous prime is 122553323143. The next prime is 122553323177. The reversal of 122553323144 is 441323355221.

It is not an unprimeable number, because it can be changed into a prime (122553323143) 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, 1094226044 + ... + 1094226155.

It is an arithmetic number, because the mean of its divisors is an integer number (16413391500).

Almost surely, 2^122553323144 is an apocalyptic number.

122553323144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122553323144 is an abundant number, since it is smaller than the sum of its proper divisors (140060940856).

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

122553323144 is a wasteful number, since it uses less digits than its factorization.

122553323144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188452212 (or 2188452208 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

Adding to 122553323144 its reverse (441323355221), we get a palindrome (563876678365).

The spelling of 122553323144 in words is "one hundred twenty-two billion, five hundred fifty-three million, three hundred twenty-three thousand, one hundred forty-four".