23000033031 has 4 divisors (see below), whose sum is σ = 30666710712. Its totient is φ = 15333355352.

The previous prime is 23000033003. The next prime is 23000033033. The reversal of 23000033031 is 13033000032.

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 23000033031 - 2⁶ = 23000032967 is a prime.

It is a super-2 number, since 2×23000033031² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23000033031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23000033033) 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, 3833338836 + ... + 3833338841.

It is an arithmetic number, because the mean of its divisors is an integer number (7666677678).

Almost surely, 2^23000033031 is an apocalyptic number.

23000033031 is a deficient number, since it is larger than the sum of its proper divisors (7666677681).

23000033031 is an equidigital number, since it uses as much as digits as its factorization.

23000033031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666677680.

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 23000033031 its reverse (13033000032), we get a palindrome (36033033063).

The spelling of 23000033031 in words is "twenty-three billion, thirty-three thousand, thirty-one".