1140199423 has 8 divisors (see below), whose sum is σ = 1246070016. Its totient is φ = 1034698200.

The previous prime is 1140199393. The next prime is 1140199427. The reversal of 1140199423 is 3249910411.

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 1140199423 - 2²⁹ = 603328511 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 (1140199427) 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, 85863 + ... + 98248.

It is an arithmetic number, because the mean of its divisors is an integer number (155758752).

Almost surely, 2^1140199423 is an apocalyptic number.

1140199423 is a deficient number, since it is larger than the sum of its proper divisors (105870593).

1140199423 is a wasteful number, since it uses less digits than its factorization.

1140199423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184685.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1140199423 is about 33766.8391028832. The cubic root of 1140199423 is about 1044.7048373134.

The spelling of 1140199423 in words is "one billion, one hundred forty million, one hundred ninety-nine thousand, four hundred twenty-three".