123327251 has 4 divisors (see below), whose sum is σ = 123880512. Its totient is φ = 122773992.

The previous prime is 123327229. The next prime is 123327277. The reversal of 123327251 is 152723321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123327251 - 2⁶ = 123327187 is a prime.

It is a super-2 number, since 2×123327251² = 30419221678434002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123327251.

It is not an unprimeable number, because it can be changed into a prime (123327551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276296 + ... + 276741.

It is an arithmetic number, because the mean of its divisors is an integer number (30970128).

Almost surely, 2^123327251 is an apocalyptic number.

123327251 is a deficient number, since it is larger than the sum of its proper divisors (553261).

123327251 is an equidigital number, since it uses as much as digits as its factorization.

123327251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553260.

The product of its digits is 2520, while the sum is 26.

The square root of 123327251 is about 11105.2803206403. The cubic root of 123327251 is about 497.7596446085.

The spelling of 123327251 in words is "one hundred twenty-three million, three hundred twenty-seven thousand, two hundred fifty-one".