123276155 has 8 divisors (see below), whose sum is σ = 148010112. Its totient is φ = 98568448.

The previous prime is 123276151. The next prime is 123276173. The reversal of 123276155 is 551672321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123276155 - 2² = 123276151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123276151) 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, 5942 + ... + 16788.

It is an arithmetic number, because the mean of its divisors is an integer number (18501264).

Almost surely, 2^123276155 is an apocalyptic number.

123276155 is a deficient number, since it is larger than the sum of its proper divisors (24733957).

123276155 is a wasteful number, since it uses less digits than its factorization.

123276155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13125.

The product of its digits is 12600, while the sum is 32.

The square root of 123276155 is about 11102.9795550564. The cubic root of 123276155 is about 497.6908924609.

The spelling of 123276155 in words is "one hundred twenty-three million, two hundred seventy-six thousand, one hundred fifty-five".