1233873816 has 32 divisors (see below), whose sum is σ = 3525354240. Its totient is φ = 352535328.

The previous prime is 1233873793. The next prime is 1233873841. The reversal of 1233873816 is 6183783321.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3672076 + ... + 3672411.

It is an arithmetic number, because the mean of its divisors is an integer number (110167320).

Almost surely, 2^1233873816 is an apocalyptic number.

It is an amenable number.

1233873816 is an abundant number, since it is smaller than the sum of its proper divisors (2291480424).

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

1233873816 is a wasteful number, since it uses less digits than its factorization.

1233873816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7344503 (or 7344499 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 1233873816 is about 35126.5400516476. The cubic root of 1233873816 is about 1072.5649056302.

The spelling of 1233873816 in words is "one billion, two hundred thirty-three million, eight hundred seventy-three thousand, eight hundred sixteen".