123255011 has 8 divisors (see below), whose sum is σ = 135159024. Its totient is φ = 111467520.

The previous prime is 123255007. The next prime is 123255023. The reversal of 123255011 is 110552321.

It is a happy number.

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 123255011 - 2² = 123255007 is a prime.

It is a super-2 number, since 2×123255011² = 30383595473220242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123255001) 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, 26906 + ... + 31151.

It is an arithmetic number, because the mean of its divisors is an integer number (16894878).

Almost surely, 2^123255011 is an apocalyptic number.

123255011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123255011 is a deficient number, since it is larger than the sum of its proper divisors (11904013).

123255011 is a wasteful number, since it uses less digits than its factorization.

123255011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58261.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 123255011 is about 11102.0273373830. The cubic root of 123255011 is about 497.6624366255.

The spelling of 123255011 in words is "one hundred twenty-three million, two hundred fifty-five thousand, eleven".