123242535552305 has 32 divisors (see below), whose sum is σ = 167675150630400. Its totient is φ = 86206823638272.

The previous prime is 123242535552271. The next prime is 123242535552427. The reversal of 123242535552305 is 503255535242321.

It is a cyclic number.

It is not a de Polignac number, because 123242535552305 - 2¹⁰ = 123242535551281 is a prime.

It is a super-2 number, since 2×123242535552305² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123242535552305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 607691 + ... + 15711599.

It is an arithmetic number, because the mean of its divisors is an integer number (5239848457200).

Almost surely, 2^{123242535552305} is an apocalyptic number.

It is an amenable number.

123242535552305 is a deficient number, since it is larger than the sum of its proper divisors (44432615078095).

123242535552305 is a wasteful number, since it uses less digits than its factorization.

123242535552305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15110553.

The product of its (nonzero) digits is 5400000, while the sum is 47.

The spelling of 123242535552305 in words is "one hundred twenty-three trillion, two hundred forty-two billion, five hundred thirty-five million, five hundred fifty-two thousand, three hundred five".