123066242355 has 32 divisors (see below), whose sum is σ = 227099980800. Its totient is φ = 55742712192.

The previous prime is 123066242339. The next prime is 123066242357. The reversal of 123066242355 is 553242660321.

It is not a de Polignac number, because 123066242355 - 2⁴ = 123066242339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123066242357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5364975 + ... + 5387864.

It is an arithmetic number, because the mean of its divisors is an integer number (7096874400).

Almost surely, 2^123066242355 is an apocalyptic number.

123066242355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123066242355 is a deficient number, since it is larger than the sum of its proper divisors (104033738445).

123066242355 is a wasteful number, since it uses less digits than its factorization.

123066242355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10752963.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 123066242355 in words is "one hundred twenty-three billion, sixty-six million, two hundred forty-two thousand, three hundred fifty-five".