1140242023 has 8 divisors (see below), whose sum is σ = 1148561568. Its totient is φ = 1131953184.

The previous prime is 1140242017. The next prime is 1140242027. The reversal of 1140242023 is 3202420411.

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-1140242023 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 (1140242027) 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, 69661 + ... + 84457.

It is an arithmetic number, because the mean of its divisors is an integer number (143570196).

Almost surely, 2^1140242023 is an apocalyptic number.

1140242023 is a deficient number, since it is larger than the sum of its proper divisors (8319545).

1140242023 is a wasteful number, since it uses less digits than its factorization.

1140242023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15353.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1140242023 is about 33767.4698933752. The cubic root of 1140242023 is about 1044.7178478654.

Adding to 1140242023 its reverse (3202420411), we get a palindrome (4342662434).

The spelling of 1140242023 in words is "one billion, one hundred forty million, two hundred forty-two thousand, twenty-three".