1233313205 has 4 divisors (see below), whose sum is σ = 1479975852. Its totient is φ = 986650560.

The previous prime is 1233313201. The next prime is 1233313217. The reversal of 1233313205 is 5023133321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5023133321 = 2549 ⋅1970629.

It can be written as a sum of positive squares in 2 ways, for example, as 280294564 + 953018641 = 16742^2 + 30871^2 .

It is not a de Polignac number, because 1233313205 - 2² = 1233313201 is a prime.

It is a super-2 number, since 2×1233313205² = 3042122923254744050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233313201) 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, 123331316 + ... + 123331325.

It is an arithmetic number, because the mean of its divisors is an integer number (369993963).

Almost surely, 2^1233313205 is an apocalyptic number.

It is an amenable number.

1233313205 is a deficient number, since it is larger than the sum of its proper divisors (246662647).

1233313205 is an equidigital number, since it uses as much as digits as its factorization.

1233313205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246662646.

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

The square root of 1233313205 is about 35118.5592671453. The cubic root of 1233313205 is about 1072.4024409423.

Adding to 1233313205 its reverse (5023133321), we get a palindrome (6256446526).

The spelling of 1233313205 in words is "one billion, two hundred thirty-three million, three hundred thirteen thousand, two hundred five".