123550231 has 8 divisors (see below), whose sum is σ = 142902144. Its totient is φ = 104623800.

The previous prime is 123550157. The next prime is 123550241. The reversal of 123550231 is 132055321.

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 123550231 - 2⁹ = 123549719 is a prime.

It is a super-2 number, since 2×123550231² = 30529319160306722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123550241) 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, 105745 + ... + 106906.

It is an arithmetic number, because the mean of its divisors is an integer number (17862768).

Almost surely, 2^123550231 is an apocalyptic number.

123550231 is a deficient number, since it is larger than the sum of its proper divisors (19351913).

123550231 is an equidigital number, since it uses as much as digits as its factorization.

123550231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212741.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 123550231 is about 11115.3151552261. The cubic root of 123550231 is about 498.0594529645.

The spelling of 123550231 in words is "one hundred twenty-three million, five hundred fifty thousand, two hundred thirty-one".