123012233 has 4 divisors (see below), whose sum is σ = 123054288. Its totient is φ = 122970180.

The previous prime is 123012223. The next prime is 123012271. The reversal of 123012233 is 332210321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123012233 - 2²⁶ = 55903369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123012203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16283 + ... + 22608.

It is an arithmetic number, because the mean of its divisors is an integer number (30763572).

Almost surely, 2^123012233 is an apocalyptic number.

It is an amenable number.

123012233 is a deficient number, since it is larger than the sum of its proper divisors (42055).

123012233 is an equidigital number, since it uses as much as digits as its factorization.

123012233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42054.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 123012233 is about 11091.0879989296. The cubic root of 123012233 is about 497.3354697806.

Adding to 123012233 its reverse (332210321), we get a palindrome (455222554).

The spelling of 123012233 in words is "one hundred twenty-three million, twelve thousand, two hundred thirty-three".