233403302040 has 128 divisors (see below), whose sum is σ = 712068710400. Its totient is φ = 61187857920.

The previous prime is 233403302009. The next prime is 233403302053. The reversal of 233403302040 is 40203304332.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 233403302040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15679321 + ... + 15694199.

It is an arithmetic number, because the mean of its divisors is an integer number (5563036800).

Almost surely, 2^233403302040 is an apocalyptic number.

233403302040 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 233403302040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356034355200).

233403302040 is an abundant number, since it is smaller than the sum of its proper divisors (478665408360).

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

233403302040 is a wasteful number, since it uses less digits than its factorization.

233403302040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17097 (or 17093 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 233403302040 its reverse (40203304332), we get a palindrome (273606606372).

The spelling of 233403302040 in words is "two hundred thirty-three billion, four hundred three million, three hundred two thousand, forty".