23533323040 has 96 divisors (see below), whose sum is σ = 59529965040. Its totient is φ = 8759967744.

The previous prime is 23533323029. The next prime is 23533323053. The reversal of 23533323040 is 4032333532.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8579946384 + 14953376656 = 92628^2 + 122284^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193474 + ... + 290686.

Almost surely, 2^23533323040 is an apocalyptic number.

23533323040 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 23533323040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29764982520).

23533323040 is an abundant number, since it is smaller than the sum of its proper divisors (35996642000).

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

23533323040 is a wasteful number, since it uses less digits than its factorization.

23533323040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97334 (or 97326 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 28.

Adding to 23533323040 its reverse (4032333532), we get a palindrome (27565656572).

The spelling of 23533323040 in words is "twenty-three billion, five hundred thirty-three million, three hundred twenty-three thousand, forty".