1130995623 has 4 divisors (see below), whose sum is σ = 1507994168. Its totient is φ = 753997080.

The previous prime is 1130995559. The next prime is 1130995627. The reversal of 1130995623 is 3265990311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3265990311 = 3 ⋅1088663437.

It is not a de Polignac number, because 1130995623 - 2⁶ = 1130995559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130995627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188499268 + ... + 188499273.

It is an arithmetic number, because the mean of its divisors is an integer number (376998542).

Almost surely, 2^1130995623 is an apocalyptic number.

1130995623 is a deficient number, since it is larger than the sum of its proper divisors (376998545).

1130995623 is an equidigital number, since it uses as much as digits as its factorization.

1130995623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376998544.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 1130995623 is about 33630.2783663769. The cubic root of 1130995623 is about 1041.8862535371.

The spelling of 1130995623 in words is "one billion, one hundred thirty million, nine hundred ninety-five thousand, six hundred twenty-three".