123345615152206 has 16 divisors (see below), whose sum is σ = 202657095890640. Its totient is φ = 56043443800960.

The previous prime is 123345615152159. The next prime is 123345615152209. The reversal of 123345615152206 is 602251516543321.

It is a super-2 number, since 2×123345615152206² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123345615152209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62548485400 + ... + 62548487371.

It is an arithmetic number, because the mean of its divisors is an integer number (12666068493165).

Almost surely, 2^{123345615152206} is an apocalyptic number.

123345615152206 is a deficient number, since it is larger than the sum of its proper divisors (79311480738434).

123345615152206 is a wasteful number, since it uses less digits than its factorization.

123345615152206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125096972819.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 123345615152206 in words is "one hundred twenty-three trillion, three hundred forty-five billion, six hundred fifteen million, one hundred fifty-two thousand, two hundred six".