123531233 has 8 divisors (see below), whose sum is σ = 141960000. Its totient is φ = 105297840.

The previous prime is 123531223. The next prime is 123531263. The reversal of 123531233 is 332135321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123531233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123531199 and 123531208.

It is not an unprimeable number, because it can be changed into a prime (123531203) 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, 47483 + ... + 50016.

It is an arithmetic number, because the mean of its divisors is an integer number (17745000).

Almost surely, 2^123531233 is an apocalyptic number.

It is an amenable number.

123531233 is a deficient number, since it is larger than the sum of its proper divisors (18428767).

123531233 is an equidigital number, since it uses as much as digits as its factorization.

123531233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97687.

The product of its digits is 1620, while the sum is 23.

The square root of 123531233 is about 11114.4605357165. The cubic root of 123531233 is about 498.0339232172.

Adding to 123531233 its reverse (332135321), we get a palindrome (455666554).

The spelling of 123531233 in words is "one hundred twenty-three million, five hundred thirty-one thousand, two hundred thirty-three".