1223683968 has 64 divisors (see below), whose sum is σ = 3500456400. Its totient is φ = 376516608.

The previous prime is 1223683957. The next prime is 1223684027. The reversal of 1223683968 is 8693863221.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 117573 + ... + 127556.

Almost surely, 2^1223683968 is an apocalyptic number.

It is an amenable number.

1223683968 is an abundant number, since it is smaller than the sum of its proper divisors (2276772432).

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

1223683968 is a wasteful number, since it uses less digits than its factorization.

1223683968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245159 (or 245147 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 1223683968 is about 34981.1944907546. The cubic root of 1223683968 is about 1069.6041765311.

The spelling of 1223683968 in words is "one billion, two hundred twenty-three million, six hundred eighty-three thousand, nine hundred sixty-eight".