1022423403 has 4 divisors (see below), whose sum is σ = 1363231208. Its totient is φ = 681615600.

The previous prime is 1022423329. The next prime is 1022423419. The reversal of 1022423403 is 3043242201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1022423403 - 2¹⁶ = 1022357867 is a prime.

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 1022423403.

It is not an unprimeable number, because it can be changed into a prime (1022423443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170403898 + ... + 170403903.

It is an arithmetic number, because the mean of its divisors is an integer number (340807802).

Almost surely, 2^1022423403 is an apocalyptic number.

1022423403 is a deficient number, since it is larger than the sum of its proper divisors (340807805).

1022423403 is an equidigital number, since it uses as much as digits as its factorization.

1022423403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340807804.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1022423403 is about 31975.3561825353. The cubic root of 1022423403 is about 1007.4192857324.

Adding to 1022423403 its reverse (3043242201), we get a palindrome (4065665604).

The spelling of 1022423403 in words is "one billion, twenty-two million, four hundred twenty-three thousand, four hundred three".