1140000023 has 4 divisors (see below), whose sum is σ = 1141878720. Its totient is φ = 1138121328.

The previous prime is 1140000013. The next prime is 1140000031. The reversal of 1140000023 is 3200000411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3200000411 = 17431 ⋅183581.

It is a cyclic number.

It is not a de Polignac number, because 1140000023 - 2⁸ = 1139999767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1139999959 and 1140000013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140000013) 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, 938438 + ... + 939651.

It is an arithmetic number, because the mean of its divisors is an integer number (285469680).

Almost surely, 2^1140000023 is an apocalyptic number.

1140000023 is a deficient number, since it is larger than the sum of its proper divisors (1878697).

1140000023 is an equidigital number, since it uses as much as digits as its factorization.

1140000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878696.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1140000023 is about 33763.8863728689. The cubic root of 1140000023 is about 1044.6439338477.

Adding to 1140000023 its reverse (3200000411), we get a palindrome (4340000434).

The spelling of 1140000023 in words is "one billion, one hundred forty million, twenty-three", and thus it is an aban number.