123300435515225 has 6 divisors (see below), whose sum is σ = 152892540038910. Its totient is φ = 98640348412160.

The previous prime is 123300435515189. The next prime is 123300435515233. The reversal of 123300435515225 is 522515534003321.

It can be written as a sum of positive squares in 3 ways, for example, as 1788681557056 + 121511753958169 = 1337416^2 + 11023237^2 .

It is not a de Polignac number, because 123300435515225 - 2⁶ = 123300435515161 is a prime.

It is a super-2 number, since 2×123300435515225² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2466008710280 + ... + 2466008710329.

It is an arithmetic number, because the mean of its divisors is an integer number (25482090006485).

Almost surely, 2^{123300435515225} is an apocalyptic number.

It is an amenable number.

123300435515225 is a deficient number, since it is larger than the sum of its proper divisors (29592104523685).

123300435515225 is an equidigital number, since it uses as much as digits as its factorization.

123300435515225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932017420619 (or 4932017420614 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 123300435515225 its reverse (522515534003321), we get a palindrome (645815969518546).

The spelling of 123300435515225 in words is "one hundred twenty-three trillion, three hundred billion, four hundred thirty-five million, five hundred fifteen thousand, two hundred twenty-five".