123166351 has 12 divisors (see below), whose sum is σ = 156300840. Its totient is φ = 95973360.

The previous prime is 123166339. The next prime is 123166361. The reversal of 123166351 is 153661321.

It is not a de Polignac number, because 123166351 - 2¹³ = 123158159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123166361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113716 + ... + 114793.

It is an arithmetic number, because the mean of its divisors is an integer number (13025070).

Almost surely, 2^123166351 is an apocalyptic number.

123166351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123166351 is a deficient number, since it is larger than the sum of its proper divisors (33134489).

123166351 is a wasteful number, since it uses less digits than its factorization.

123166351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228534 (or 228527 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 123166351 is about 11098.0336546615. The cubic root of 123166351 is about 497.5430815448.

The spelling of 123166351 in words is "one hundred twenty-three million, one hundred sixty-six thousand, three hundred fifty-one".