23133212303 has 4 divisors (see below), whose sum is σ = 23136671208. Its totient is φ = 23129753400.

The previous prime is 23133212293. The next prime is 23133212321. The reversal of 23133212303 is 30321233132.

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 23133212303 - 2¹⁶ = 23133146767 is a prime.

It is a super-2 number, since 2×23133212303² (a number of 22 digits) 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 (23133212393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719401 + ... + 1732802.

It is an arithmetic number, because the mean of its divisors is an integer number (5784167802).

Almost surely, 2^23133212303 is an apocalyptic number.

23133212303 is a deficient number, since it is larger than the sum of its proper divisors (3458905).

23133212303 is an equidigital number, since it uses as much as digits as its factorization.

23133212303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458904.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23133212303 its reverse (30321233132), we get a palindrome (53454445435).

The spelling of 23133212303 in words is "twenty-three billion, one hundred thirty-three million, two hundred twelve thousand, three hundred three".