123553452130545 has 16 divisors (see below), whose sum is σ = 197837940960000. Its totient is φ = 65844368619264.

The previous prime is 123553452130489. The next prime is 123553452130547. The reversal of 123553452130545 is 545031254355321.

It is not a de Polignac number, because 123553452130545 - 2³⁶ = 123484732653809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123553452130494 and 123553452130503.

It is not an unprimeable number, because it can be changed into a prime (123553452130547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3175345545 + ... + 3175384454.

It is an arithmetic number, because the mean of its divisors is an integer number (12364871310000).

Almost surely, 2^{123553452130545} is an apocalyptic number.

123553452130545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123553452130545 is a deficient number, since it is larger than the sum of its proper divisors (74284488829455).

123553452130545 is a wasteful number, since it uses less digits than its factorization.

123553452130545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6350731304.

The product of its (nonzero) digits is 5400000, while the sum is 48.

The spelling of 123553452130545 in words is "one hundred twenty-three trillion, five hundred fifty-three billion, four hundred fifty-two million, one hundred thirty thousand, five hundred forty-five".