123398237 has 8 divisors (see below), whose sum is σ = 125433600. Its totient is φ = 121374864.

The previous prime is 123398227. The next prime is 123398267. The reversal of 123398237 is 732893321.

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 123398237 - 2⁶ = 123398173 is a prime.

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 123398237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123398227) 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, 19064 + ... + 24702.

It is an arithmetic number, because the mean of its divisors is an integer number (15679200).

Almost surely, 2^123398237 is an apocalyptic number.

It is an amenable number.

123398237 is a deficient number, since it is larger than the sum of its proper divisors (2035363).

123398237 is an equidigital number, since it uses as much as digits as its factorization.

123398237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5995.

The product of its digits is 54432, while the sum is 38.

The square root of 123398237 is about 11108.4759080623. The cubic root of 123398237 is about 497.8551282066.

The spelling of 123398237 in words is "one hundred twenty-three million, three hundred ninety-eight thousand, two hundred thirty-seven".