1230120233 has 4 divisors (see below), whose sum is σ = 1230245520. Its totient is φ = 1229994948.

The previous prime is 1230120223. The next prime is 1230120251. The reversal of 1230120233 is 3320210321.

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 1230120233 - 2⁸ = 1230119977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230120223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46535 + ... + 68012.

It is an arithmetic number, because the mean of its divisors is an integer number (307561380).

Almost surely, 2^1230120233 is an apocalyptic number.

It is an amenable number.

1230120233 is a deficient number, since it is larger than the sum of its proper divisors (125287).

1230120233 is a wasteful number, since it uses less digits than its factorization.

1230120233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125286.

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

The square root of 1230120233 is about 35073.0699112581. The cubic root of 1230120233 is about 1071.4761798265.

Adding to 1230120233 its reverse (3320210321), we get a palindrome (4550330554).

The spelling of 1230120233 in words is "one billion, two hundred thirty million, one hundred twenty thousand, two hundred thirty-three".