123401233 has 8 divisors (see below), whose sum is σ = 128936448. Its totient is φ = 117880224.

The previous prime is 123401221. The next prime is 123401261. The reversal of 123401233 is 332104321.

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 123401233 - 2⁹ = 123400721 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 123401233.

It is not an unprimeable number, because it can be changed into a prime (123401533) 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, 16741 + ... + 22957.

It is an arithmetic number, because the mean of its divisors is an integer number (16117056).

Almost surely, 2^123401233 is an apocalyptic number.

It is an amenable number.

123401233 is a deficient number, since it is larger than the sum of its proper divisors (5535215).

123401233 is an equidigital number, since it uses as much as digits as its factorization.

123401233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7103.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 123401233 is about 11108.6107592264. The cubic root of 123401233 is about 497.8591573346.

Adding to 123401233 its reverse (332104321), we get a palindrome (455505554).

The spelling of 123401233 in words is "one hundred twenty-three million, four hundred one thousand, two hundred thirty-three".