1233312023 has 4 divisors (see below), whose sum is σ = 1248171288. Its totient is φ = 1218452760.

The previous prime is 1233312013. The next prime is 1233312043. The reversal of 1233312023 is 3202133321.

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

It is a cyclic number.

It is not a de Polignac number, because 1233312023 - 2¹⁸ = 1233049879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1233311986 and 1233312004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233312013) 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, 7429508 + ... + 7429673.

It is an arithmetic number, because the mean of its divisors is an integer number (312042822).

Almost surely, 2^1233312023 is an apocalyptic number.

1233312023 is a deficient number, since it is larger than the sum of its proper divisors (14859265).

1233312023 is an equidigital number, since it uses as much as digits as its factorization.

1233312023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14859264.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1233312023 is about 35118.5424384327. The cubic root of 1233312023 is about 1072.4020983475.

Adding to 1233312023 its reverse (3202133321), we get a palindrome (4435445344).

The spelling of 1233312023 in words is "one billion, two hundred thirty-three million, three hundred twelve thousand, twenty-three".