1193385123 has 16 divisors (see below), whose sum is σ = 2020546560. Its totient is φ = 681934248.

The previous prime is 1193385121. The next prime is 1193385133. The reversal of 1193385123 is 3215833911.

It is not a de Polignac number, because 1193385123 - 2¹ = 1193385121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1193385121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3156915 + ... + 3157292.

It is an arithmetic number, because the mean of its divisors is an integer number (126284160).

Almost surely, 2^1193385123 is an apocalyptic number.

1193385123 is a deficient number, since it is larger than the sum of its proper divisors (827161437).

1193385123 is an equidigital number, since it uses as much as digits as its factorization.

1193385123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6314223 (or 6314217 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 1193385123 is about 34545.4066845362. The cubic root of 1193385123 is about 1060.7023715076.

The spelling of 1193385123 in words is "one billion, one hundred ninety-three million, three hundred eighty-five thousand, one hundred twenty-three".