1140372923 has 8 divisors (see below), whose sum is σ = 1147918368. Its totient is φ = 1132838784.

The previous prime is 1140372907. The next prime is 1140372941. The reversal of 1140372923 is 3292730411.

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 1140372923 - 2⁴ = 1140372907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1140372923.

It is not an unprimeable number, because it can be changed into a prime (1140372323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306611 + ... + 310307.

It is an arithmetic number, because the mean of its divisors is an integer number (143489796).

Almost surely, 2^1140372923 is an apocalyptic number.

1140372923 is a deficient number, since it is larger than the sum of its proper divisors (7545445).

1140372923 is a wasteful number, since it uses less digits than its factorization.

1140372923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5653.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1140372923 is about 33769.4080937170. The cubic root of 1140372923 is about 1044.7578242712.

The spelling of 1140372923 in words is "one billion, one hundred forty million, three hundred seventy-two thousand, nine hundred twenty-three".