23003133340 has 72 divisors (see below), whose sum is σ = 53137472976. Its totient is φ = 8358451200.

The previous prime is 23003133289. The next prime is 23003133341. The reversal of 23003133340 is 4333130032.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23003133341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4225020 + ... + 4230460.

It is an arithmetic number, because the mean of its divisors is an integer number (738020458).

Almost surely, 2^23003133340 is an apocalyptic number.

23003133340 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 23003133340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26568736488).

23003133340 is an abundant number, since it is smaller than the sum of its proper divisors (30134339636).

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

23003133340 is a wasteful number, since it uses less digits than its factorization.

23003133340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7219 (or 7206 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 23003133340 its reverse (4333130032), we get a palindrome (27336263372).

The spelling of 23003133340 in words is "twenty-three billion, three million, one hundred thirty-three thousand, three hundred forty".