1156423794 has 8 divisors (see below), whose sum is σ = 2312847600. Its totient is φ = 385474596.

The previous prime is 1156423757. The next prime is 1156423823. The reversal of 1156423794 is 4973246511.

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

1156423794 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96368644 + ... + 96368655.

It is an arithmetic number, because the mean of its divisors is an integer number (289105950).

Almost surely, 2^1156423794 is an apocalyptic number.

1156423794 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1156423794 is a wasteful number, since it uses less digits than its factorization.

1156423794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192737304.

The product of its digits is 181440, while the sum is 42.

The square root of 1156423794 is about 34006.2316936176. The cubic root of 1156423794 is about 1049.6366978940.

The spelling of 1156423794 in words is "one billion, one hundred fifty-six million, four hundred twenty-three thousand, seven hundred ninety-four".