233313042340 has 36 divisors (see below), whose sum is σ = 569950434396. Its totient is φ = 79993042752.

The previous prime is 233313042317. The next prime is 233313042341. The reversal of 233313042340 is 43240313332.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38350172224 + 194962870116 = 195832^2 + 441546^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 233313042299 and 233313042308.

It is not an unprimeable number, because it can be changed into a prime (233313042341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119036287 + ... + 119038246.

It is an arithmetic number, because the mean of its divisors is an integer number (15831956511).

Almost surely, 2^233313042340 is an apocalyptic number.

233313042340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233313042340 is an abundant number, since it is smaller than the sum of its proper divisors (336637392056).

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

233313042340 is a wasteful number, since it uses less digits than its factorization.

233313042340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238074556 (or 238074547 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 233313042340 its reverse (43240313332), we get a palindrome (276553355672).

The spelling of 233313042340 in words is "two hundred thirty-three billion, three hundred thirteen million, forty-two thousand, three hundred forty".