123105155543214 has 32 divisors (see below), whose sum is σ = 269107022002560. Its totient is φ = 37313158509792.

The previous prime is 123105155543191. The next prime is 123105155543267. The reversal of 123105155543214 is 412345551501321.

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, 11778138244 + ... + 11778148695.

It is an arithmetic number, because the mean of its divisors is an integer number (8409594437580).

Almost surely, 2^{123105155543214} is an apocalyptic number.

123105155543214 is an abundant number, since it is smaller than the sum of its proper divisors (146001866459346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123105155543214 is a wasteful number, since it uses less digits than its factorization.

123105155543214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23556287024.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 123105155543214 in words is "one hundred twenty-three trillion, one hundred five billion, one hundred fifty-five million, five hundred forty-three thousand, two hundred fourteen".