1123345677790 has 16 divisors (see below), whose sum is σ = 2310882537312. Its totient is φ = 385147089504.

The previous prime is 1123345677787. The next prime is 1123345677791. The reversal of 1123345677790 is 977765433211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123345677791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8023897629 + ... + 8023897768.

It is an arithmetic number, because the mean of its divisors is an integer number (144430158582).

Almost surely, 2^{1123345677790} is an apocalyptic number.

1123345677790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123345677790 is an abundant number, since it is smaller than the sum of its proper divisors (1187536859522).

1123345677790 is a wasteful number, since it uses less digits than its factorization.

1123345677790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16047795411.

The product of its (nonzero) digits is 6667920, while the sum is 55.

The spelling of 1123345677790 in words is "one trillion, one hundred twenty-three billion, three hundred forty-five million, six hundred seventy-seven thousand, seven hundred ninety".