1123455677899 has 8 divisors (see below), whose sum is σ = 1124704889280. Its totient is φ = 1122207133056.

The previous prime is 1123455677863. The next prime is 1123455677923. The reversal of 1123455677899 is 9987765543211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123455677899 - 2¹⁵ = 1123455645131 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1123455677849) 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, 3244947 + ... + 3574435.

It is an arithmetic number, because the mean of its divisors is an integer number (140588111160).

Almost surely, 2^{1123455677899} is an apocalyptic number.

1123455677899 is a deficient number, since it is larger than the sum of its proper divisors (1249211381).

1123455677899 is a wasteful number, since it uses less digits than its factorization.

1123455677899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333269.

The product of its digits is 114307200, while the sum is 67.

The spelling of 1123455677899 in words is "one trillion, one hundred twenty-three billion, four hundred fifty-five million, six hundred seventy-seven thousand, eight hundred ninety-nine".