1023431223 has 8 divisors (see below), whose sum is σ = 1365535600. Its totient is φ = 681807168.

The previous prime is 1023431191. The next prime is 1023431239. The reversal of 1023431223 is 3221343201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1023431223 - 2⁵ = 1023431191 is a prime.

It is a super-2 number, since 2×1023431223² = 2094822936422551458, which contains 22 as substring.

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 1023431223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023431723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115078 + ... + 123651.

It is an arithmetic number, because the mean of its divisors is an integer number (170691950).

Almost surely, 2^1023431223 is an apocalyptic number.

1023431223 is a deficient number, since it is larger than the sum of its proper divisors (342104377).

1023431223 is a wasteful number, since it uses less digits than its factorization.

1023431223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240161.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1023431223 is about 31991.1116249498. Note that the first 3 decimals coincide. The cubic root of 1023431223 is about 1007.7501870940.

Adding to 1023431223 its reverse (3221343201), we get a palindrome (4244774424).

The spelling of 1023431223 in words is "one billion, twenty-three million, four hundred thirty-one thousand, two hundred twenty-three".