23330031000 has 128 divisors (see below), whose sum is σ = 72988344000. Its totient is φ = 6204364800.

The previous prime is 23330030993. The next prime is 23330031007. The reversal of 23330031000 is 13003332.

It is an interprime number because it is at equal distance from previous prime (23330030993) and next prime (23330031007).

It is a super-2 number, since 2×23330031000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23330031007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1108576 + ... + 1129424.

Almost surely, 2^23330031000 is an apocalyptic number.

23330031000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23330031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36494172000).

23330031000 is an abundant number, since it is smaller than the sum of its proper divisors (49658313000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23330031000 is a wasteful number, since it uses less digits than its factorization.

23330031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21246 (or 21232 counting only the distinct ones).

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

Adding to 23330031000 its reverse (13003332), we get a palindrome (23343034332).

The spelling of 23330031000 in words is "twenty-three billion, three hundred thirty million, thirty-one thousand".