123255153 has 12 divisors (see below), whose sum is σ = 203468928. Its totient is φ = 70431480.

The previous prime is 123255127. The next prime is 123255169. The reversal of 123255153 is 351552321.

It is a happy number.

123255153 is a `hidden beast` number, since 123 + 25 + 515 + 3 = 666.

It is not a de Polignac number, because 123255153 - 2¹² = 123251057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123255113) 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, 978153 + ... + 978278.

It is an arithmetic number, because the mean of its divisors is an integer number (16955744).

Almost surely, 2^123255153 is an apocalyptic number.

It is an amenable number.

123255153 is a deficient number, since it is larger than the sum of its proper divisors (80213775).

123255153 is a wasteful number, since it uses less digits than its factorization.

123255153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956444 (or 1956441 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 123255153 is about 11102.0337326095. The cubic root of 123255153 is about 497.6626277416.

The spelling of 123255153 in words is "one hundred twenty-three million, two hundred fifty-five thousand, one hundred fifty-three".