123543525503145 has 64 divisors (see below), whose sum is σ = 227025293967360. Its totient is φ = 56738207116800.

The previous prime is 123543525503131. The next prime is 123543525503191. The reversal of 123543525503145 is 541305525345321.

It is not a de Polignac number, because 123543525503145 - 2¹⁵ = 123543525470377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123543525503094 and 123543525503103.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16517517 + ... + 22801653.

It is an arithmetic number, because the mean of its divisors is an integer number (3547270218240).

Almost surely, 2^{123543525503145} is an apocalyptic number.

123543525503145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123543525503145 is a deficient number, since it is larger than the sum of its proper divisors (103481768464215).

123543525503145 is a wasteful number, since it uses less digits than its factorization.

123543525503145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6290446.

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

The spelling of 123543525503145 in words is "one hundred twenty-three trillion, five hundred forty-three billion, five hundred twenty-five million, five hundred three thousand, one hundred forty-five".