1223405103 has 8 divisors (see below), whose sum is σ = 1633478400. Its totient is φ = 814467608.

The previous prime is 1223405101. The next prime is 1223405123. The reversal of 1223405103 is 3015043221.

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 1223405103 - 2¹ = 1223405101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1223405103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223405101) 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, 281433 + ... + 285746.

It is an arithmetic number, because the mean of its divisors is an integer number (204184800).

Almost surely, 2^1223405103 is an apocalyptic number.

1223405103 is a deficient number, since it is larger than the sum of its proper divisors (410073297).

1223405103 is an equidigital number, since it uses as much as digits as its factorization.

1223405103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567901.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1223405103 is about 34977.2083362866. The cubic root of 1223405103 is about 1069.5229197586.

Adding to 1223405103 its reverse (3015043221), we get a palindrome (4238448324).

The spelling of 1223405103 in words is "one billion, two hundred twenty-three million, four hundred five thousand, one hundred three".