1233120243 has 8 divisors (see below), whose sum is σ = 1664972800. Its totient is φ = 811673928.

The previous prime is 1233120241. The next prime is 1233120271. The reversal of 1233120243 is 3420213321.

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

It is not a de Polignac number, because 1233120243 - 2¹ = 1233120241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233120241) 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, 2601283 + ... + 2601756.

It is an arithmetic number, because the mean of its divisors is an integer number (208121600).

Almost surely, 2^1233120243 is an apocalyptic number.

1233120243 is a deficient number, since it is larger than the sum of its proper divisors (431852557).

1233120243 is an equidigital number, since it uses as much as digits as its factorization.

1233120243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203121.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1233120243 is about 35115.8118658817. The cubic root of 1233120243 is about 1072.3465092963.

Adding to 1233120243 its reverse (3420213321), we get a palindrome (4653333564).

The spelling of 1233120243 in words is "one billion, two hundred thirty-three million, one hundred twenty thousand, two hundred forty-three".