1123203199968 has 36 divisors (see below), whose sum is σ = 3194109100728. Its totient is φ = 374401066560.

The previous prime is 1123203199957. The next prime is 1123203199969. The reversal of 1123203199968 is 8699913023211.

1123203199968 is a `hidden beast` number, since 1 + 1 + 232 + 0 + 319 + 9 + 96 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123203199969) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1950005268 + ... + 1950005843.

It is an arithmetic number, because the mean of its divisors is an integer number (88725252798).

Almost surely, 2^{1123203199968} is an apocalyptic number.

1123203199968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1123203199968 is an abundant number, since it is smaller than the sum of its proper divisors (2070905900760).

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

1123203199968 is a wasteful number, since it uses less digits than its factorization.

1123203199968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900011127 (or 3900011116 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 1123203199968 in words is "one trillion, one hundred twenty-three billion, two hundred three million, one hundred ninety-nine thousand, nine hundred sixty-eight".