1233311433240 has 64 divisors (see below), whose sum is σ = 3719105013600. Its totient is φ = 327178985472.

The previous prime is 1233311433203. The next prime is 1233311433241. The reversal of 1233311433240 is 423341133321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1233311433198 and 1233311433207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233311433241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26602735 + ... + 26649054.

Almost surely, 2^{1233311433240} is an apocalyptic number.

1233311433240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233311433240 is an abundant number, since it is smaller than the sum of its proper divisors (2485793580360).

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

1233311433240 is a wasteful number, since it uses less digits than its factorization.

1233311433240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53251996 (or 53251992 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 1233311433240 its reverse (423341133321), we get a palindrome (1656652566561).

The spelling of 1233311433240 in words is "one trillion, two hundred thirty-three billion, three hundred eleven million, four hundred thirty-three thousand, two hundred forty".