123032244015245 has 16 divisors (see below), whose sum is σ = 148058056139760. Its totient is φ = 98146223898624.

The previous prime is 123032244015211. The next prime is 123032244015251. The reversal of 123032244015245 is 542510442230321.

It can be written as a sum of positive squares in 8 ways, for example, as 5249258347876 + 117782985667369 = 2291126^2 + 10852787^2 .

It is a de Polignac number, because none of the positive numbers 2^k-123032244015245 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123032244015199 and 123032244015208.

It is a congruent number.

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, 439925897 + ... + 440205473.

It is an arithmetic number, because the mean of its divisors is an integer number (9253628508735).

Almost surely, 2^{123032244015245} is an apocalyptic number.

It is an amenable number.

123032244015245 is a deficient number, since it is larger than the sum of its proper divisors (25025812124515).

123032244015245 is a wasteful number, since it uses less digits than its factorization.

123032244015245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529264.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 123032244015245 its reverse (542510442230321), we get a palindrome (665542686245566).

The spelling of 123032244015245 in words is "one hundred twenty-three trillion, thirty-two billion, two hundred forty-four million, fifteen thousand, two hundred forty-five".