1123693880 has 32 divisors (see below), whose sum is σ = 2677037040. Its totient is φ = 423037440.

The previous prime is 1123693873. The next prime is 1123693889. The reversal of 1123693880 is 883963211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123693889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825566 + ... + 826925.

Almost surely, 2^1123693880 is an apocalyptic number.

1123693880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123693880 is an abundant number, since it is smaller than the sum of its proper divisors (1553343160).

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

1123693880 is a wasteful number, since it uses less digits than its factorization.

1123693880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652519 (or 1652515 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 1123693880 is about 33521.5435205481. The cubic root of 1123693880 is about 1039.6392609816.

The spelling of 1123693880 in words is "one billion, one hundred twenty-three million, six hundred ninety-three thousand, eight hundred eighty".