23133300331 has 4 divisors (see below), whose sum is σ = 23219298000. Its totient is φ = 23047302664.

The previous prime is 23133300329. The next prime is 23133300343. The reversal of 23133300331 is 13300333132.

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 23133300331 - 2¹ = 23133300329 is a prime.

It is a super-2 number, since 2×23133300331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23133300731) 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, 42998431 + ... + 42998968.

It is an arithmetic number, because the mean of its divisors is an integer number (5804824500).

Almost surely, 2^23133300331 is an apocalyptic number.

23133300331 is a deficient number, since it is larger than the sum of its proper divisors (85997669).

23133300331 is an equidigital number, since it uses as much as digits as its factorization.

23133300331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85997668.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 23133300331 its reverse (13300333132), we get a palindrome (36433633463).

The spelling of 23133300331 in words is "twenty-three billion, one hundred thirty-three million, three hundred thousand, three hundred thirty-one".