1012342223 has 4 divisors (see below), whose sum is σ = 1015919688. Its totient is φ = 1008764760.

The previous prime is 1012342213. The next prime is 1012342229. The reversal of 1012342223 is 3222432101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3222432101 = 7 ⋅460347443.

It is a cyclic number.

It is not a de Polignac number, because 1012342223 - 2²⁴ = 995565007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012342195 and 1012342204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012342229) 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 3 ways as a sum of consecutive naturals, for example, 1788308 + ... + 1788873.

It is an arithmetic number, because the mean of its divisors is an integer number (253979922).

Almost surely, 2^1012342223 is an apocalyptic number.

1012342223 is a deficient number, since it is larger than the sum of its proper divisors (3577465).

1012342223 is an equidigital number, since it uses as much as digits as its factorization.

1012342223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577464.

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

The square root of 1012342223 is about 31817.3258304340. The cubic root of 1012342223 is about 1004.0972638347.

Adding to 1012342223 its reverse (3222432101), we get a palindrome (4234774324).

The spelling of 1012342223 in words is "one billion, twelve million, three hundred forty-two thousand, two hundred twenty-three".