123130243334553 has 64 divisors (see below), whose sum is σ = 202957913260032. Its totient is φ = 64659789492480.

The previous prime is 123130243334543. The next prime is 123130243334621. The reversal of 123130243334553 is 355433342031321.

It is not a de Polignac number, because 123130243334553 - 2⁵ = 123130243334521 is a prime.

It is a super-2 number, since 2×123130243334553² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123130243334533) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56117343 + ... + 58270203.

It is an arithmetic number, because the mean of its divisors is an integer number (3171217394688).

Almost surely, 2^{123130243334553} is an apocalyptic number.

123130243334553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123130243334553 is a deficient number, since it is larger than the sum of its proper divisors (79827669925479).

123130243334553 is a wasteful number, since it uses less digits than its factorization.

123130243334553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153814.

The product of its (nonzero) digits is 1166400, while the sum is 42.

Adding to 123130243334553 its reverse (355433342031321), we get a palindrome (478563585365874).

The spelling of 123130243334553 in words is "one hundred twenty-three trillion, one hundred thirty billion, two hundred forty-three million, three hundred thirty-four thousand, five hundred fifty-three".