1031232223 has 8 divisors (see below), whose sum is σ = 1247877792. Its totient is φ = 831918336.

The previous prime is 1031232211. The next prime is 1031232229. The reversal of 1031232223 is 3222321301.

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

It is a cyclic number.

It is not a de Polignac number, because 1031232223 - 2⁹ = 1031231711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1031232223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031232229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4332790 + ... + 4333027.

It is an arithmetic number, because the mean of its divisors is an integer number (155984724).

Almost surely, 2^1031232223 is an apocalyptic number.

1031232223 is a deficient number, since it is larger than the sum of its proper divisors (216645569).

1031232223 is an equidigital number, since it uses as much as digits as its factorization.

1031232223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8665841.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1031232223 is about 32112.8046579554. The cubic root of 1031232223 is about 1010.3041997788.

Adding to 1031232223 its reverse (3222321301), we get a palindrome (4253553524).

The spelling of 1031232223 in words is "one billion, thirty-one million, two hundred thirty-two thousand, two hundred twenty-three".