1040142223 has 4 divisors (see below), whose sum is σ = 1047734640. Its totient is φ = 1032549808.

The previous prime is 1040142167. The next prime is 1040142239. The reversal of 1040142223 is 3222410401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1040142223 - 2²⁹ = 503271311 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 1040142223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040148223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3796003 + ... + 3796276.

It is an arithmetic number, because the mean of its divisors is an integer number (261933660).

Almost surely, 2^1040142223 is an apocalyptic number.

1040142223 is a deficient number, since it is larger than the sum of its proper divisors (7592417).

1040142223 is an equidigital number, since it uses as much as digits as its factorization.

1040142223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7592416.

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

The square root of 1040142223 is about 32251.2359918190. The cubic root of 1040142223 is about 1013.2055858721.

Adding to 1040142223 its reverse (3222410401), we get a palindrome (4262552624).

The spelling of 1040142223 in words is "one billion, forty million, one hundred forty-two thousand, two hundred twenty-three".