123313033 has 4 divisors (see below), whose sum is σ = 125639748. Its totient is φ = 120986320.

The previous prime is 123313027. The next prime is 123313049. The reversal of 123313033 is 330313321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55547209 + 67765824 = 7453^2 + 8232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123313033 is a prime.

It is a super-2 number, since 2×123313033² = 30412208215318178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123313033.

It is not an unprimeable number, because it can be changed into a prime (123319033) 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, 1163278 + ... + 1163383.

It is an arithmetic number, because the mean of its divisors is an integer number (31409937).

Almost surely, 2^123313033 is an apocalyptic number.

It is an amenable number.

123313033 is a deficient number, since it is larger than the sum of its proper divisors (2326715).

123313033 is an equidigital number, since it uses as much as digits as its factorization.

123313033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326714.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 123313033 is about 11104.6401562590. The cubic root of 123313033 is about 497.7405155067.

Adding to 123313033 its reverse (330313321), we get a palindrome (453626354).

The spelling of 123313033 in words is "one hundred twenty-three million, three hundred thirteen thousand, thirty-three".