1233456680 has 16 divisors (see below), whose sum is σ = 2775277620. Its totient is φ = 493382656.

The previous prime is 1233456629. The next prime is 1233456683. The reversal of 1233456680 is 866543321.

It can be written as a sum of positive squares in 2 ways, for example, as 1208396644 + 25060036 = 34762^2 + 5006^2 .

It is not an unprimeable number, because it can be changed into a prime (1233456683) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15418169 + ... + 15418248.

Almost surely, 2^1233456680 is an apocalyptic number.

1233456680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233456680 is an abundant number, since it is smaller than the sum of its proper divisors (1541820940).

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

1233456680 is a wasteful number, since it uses less digits than its factorization.

1233456680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30836428 (or 30836424 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 1233456680 is about 35120.6019310604. The cubic root of 1233456680 is about 1072.4440245870. Note that the first 3 decimals are identical.

The spelling of 1233456680 in words is "one billion, two hundred thirty-three million, four hundred fifty-six thousand, six hundred eighty".