1040311223 has 4 divisors (see below), whose sum is σ = 1188927120. Its totient is φ = 891695328.

The previous prime is 1040311219. The next prime is 1040311231. The reversal of 1040311223 is 3221130401.

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 1040311223 - 2² = 1040311219 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 (1040311213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74307938 + ... + 74307951.

It is an arithmetic number, because the mean of its divisors is an integer number (297231780).

Almost surely, 2^1040311223 is an apocalyptic number.

1040311223 is a deficient number, since it is larger than the sum of its proper divisors (148615897).

1040311223 is an equidigital number, since it uses as much as digits as its factorization.

1040311223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148615896.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1040311223 is about 32253.8559400268. The cubic root of 1040311223 is about 1013.2604573654.

Adding to 1040311223 its reverse (3221130401), we get a palindrome (4261441624).

The spelling of 1040311223 in words is "one billion, forty million, three hundred eleven thousand, two hundred twenty-three".