1233134340 has 96 divisors (see below), whose sum is σ = 3503896704. Its totient is φ = 324003840.

The previous prime is 1233134311. The next prime is 1233134359. The reversal of 1233134340 is 434313321.

It is a self number, because there is not a number n which added to its sum of digits gives 1233134340.

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, 1546822 + ... + 1547618.

It is an arithmetic number, because the mean of its divisors is an integer number (36498924).

Almost surely, 2^1233134340 is an apocalyptic number.

1233134340 is a gapful number since it is divisible by the number (10) 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 1233134340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1751948352).

1233134340 is an abundant number, since it is smaller than the sum of its proper divisors (2270762364).

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

1233134340 is a wasteful number, since it uses less digits than its factorization.

1233134340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 1233134340 is about 35116.0125868527. The cubic root of 1233134340 is about 1072.3505956270.

Adding to 1233134340 its reverse (434313321), we get a palindrome (1667447661).

The spelling of 1233134340 in words is "one billion, two hundred thirty-three million, one hundred thirty-four thousand, three hundred forty".