23031005133 has 8 divisors (see below), whose sum is σ = 31128664768. Its totient is φ = 15143674464.

The previous prime is 23031005099. The next prime is 23031005143. The reversal of 23031005133 is 33150013032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23031005133 - 2¹⁶ = 23030939597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031005143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52581985 + ... + 52582422.

It is an arithmetic number, because the mean of its divisors is an integer number (3891083096).

Almost surely, 2^23031005133 is an apocalyptic number.

It is an amenable number.

23031005133 is a deficient number, since it is larger than the sum of its proper divisors (8097659635).

23031005133 is a wasteful number, since it uses less digits than its factorization.

23031005133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105164483.

The product of its (nonzero) digits is 810, while the sum is 21.

Adding to 23031005133 its reverse (33150013032), we get a palindrome (56181018165).

The spelling of 23031005133 in words is "twenty-three billion, thirty-one million, five thousand, one hundred thirty-three".