1123864578193 has 8 divisors (see below), whose sum is σ = 1288118152512. Its totient is φ = 960536376816.

The previous prime is 1123864578181. The next prime is 1123864578197. The reversal of 1123864578193 is 3918754683211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123864578193 is a prime.

It is a super-2 number, since 2×1123864578193² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123864578197) 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, 231340630 + ... + 231345487.

It is an arithmetic number, because the mean of its divisors is an integer number (161014769064).

Almost surely, 2^{1123864578193} is an apocalyptic number.

It is an amenable number.

1123864578193 is a deficient number, since it is larger than the sum of its proper divisors (164253574319).

1123864578193 is an equidigital number, since it uses as much as digits as its factorization.

1123864578193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462686471.

The product of its digits is 8709120, while the sum is 58.

The spelling of 1123864578193 in words is "one trillion, one hundred twenty-three billion, eight hundred sixty-four million, five hundred seventy-eight thousand, one hundred ninety-three".