1012223423 has 12 divisors (see below), whose sum is σ = 1071237888. Its totient is φ = 956314080.

The previous prime is 1012223389. The next prime is 1012223441. The reversal of 1012223423 is 3243222101.

It is not a de Polignac number, because 1012223423 - 2⁸ = 1012223167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012223395 and 1012223404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012223923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134603 + ... + 141923.

It is an arithmetic number, because the mean of its divisors is an integer number (89269824).

Almost surely, 2^1012223423 is an apocalyptic number.

1012223423 is a deficient number, since it is larger than the sum of its proper divisors (59014465).

1012223423 is an equidigital number, since it uses as much as digits as its factorization.

1012223423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7742 (or 7723 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1012223423 is about 31815.4588682923. The cubic root of 1012223423 is about 1004.0579848179.

Adding to 1012223423 its reverse (3243222101), we get a palindrome (4255445524).

The spelling of 1012223423 in words is "one billion, twelve million, two hundred twenty-three thousand, four hundred twenty-three".