1123445677790 has 32 divisors (see below), whose sum is σ = 2141377150464. Its totient is φ = 422900431360.

The previous prime is 1123445677771. The next prime is 1123445677801. The reversal of 1123445677790 is 977765443211.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1326992 + ... + 2001948.

It is an arithmetic number, because the mean of its divisors is an integer number (66918035952).

Almost surely, 2^{1123445677790} is an apocalyptic number.

1123445677790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123445677790 is a deficient number, since it is larger than the sum of its proper divisors (1017931472674).

1123445677790 is a wasteful number, since it uses less digits than its factorization.

1123445677790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684772.

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 1123445677790 in words is "one trillion, one hundred twenty-three billion, four hundred forty-five million, six hundred seventy-seven thousand, seven hundred ninety".