1233989768 has 32 divisors (see below), whose sum is σ = 2550108960. Its totient is φ = 555118080.

The previous prime is 1233989753. The next prime is 1233989807. The reversal of 1233989768 is 8679893321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63746 + ... + 80817.

It is an arithmetic number, because the mean of its divisors is an integer number (79690905).

Almost surely, 2^1233989768 is an apocalyptic number.

It is an amenable number.

1233989768 is an abundant number, since it is smaller than the sum of its proper divisors (1316119192).

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

1233989768 is a wasteful number, since it uses less digits than its factorization.

1233989768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144677 (or 144673 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 56.

The square root of 1233989768 is about 35128.1905027857. The cubic root of 1233989768 is about 1072.5985022991.

The spelling of 1233989768 in words is "one billion, two hundred thirty-three million, nine hundred eighty-nine thousand, seven hundred sixty-eight".