23133031001 has 4 divisors (see below), whose sum is σ = 23162056932. Its totient is φ = 23104005072.

The previous prime is 23133030979. The next prime is 23133031021. The reversal of 23133031001 is 10013033132.

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 17719603225 + 5413427776 = 133115^2 + 73576^2 .

It is a cyclic number.

It is not a de Polignac number, because 23133031001 - 2¹⁴ = 23133014617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23133031021) 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, 14511770 + ... + 14513363.

It is an arithmetic number, because the mean of its divisors is an integer number (5790514233).

Almost surely, 2^23133031001 is an apocalyptic number.

It is an amenable number.

23133031001 is a deficient number, since it is larger than the sum of its proper divisors (29025931).

23133031001 is an equidigital number, since it uses as much as digits as its factorization.

23133031001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29025930.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 23133031001 its reverse (10013033132), we get a palindrome (33146064133).

The spelling of 23133031001 in words is "twenty-three billion, one hundred thirty-three million, thirty-one thousand, one".