1223341043 has 4 divisors (see below), whose sum is σ = 1276529808. Its totient is φ = 1170152280.

The previous prime is 1223341033. The next prime is 1223341061. The reversal of 1223341043 is 3401433221.

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

It is a cyclic number.

It is not a de Polignac number, because 1223341043 - 2²² = 1219146739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 53188741 = 1223341043 / (1 + 2 + 2 + 3 + 3 + 4 + 1 + 0 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (1223341033) 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, 26594348 + ... + 26594393.

It is an arithmetic number, because the mean of its divisors is an integer number (319132452).

Almost surely, 2^1223341043 is an apocalyptic number.

1223341043 is a deficient number, since it is larger than the sum of its proper divisors (53188765).

1223341043 is an equidigital number, since it uses as much as digits as its factorization.

1223341043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53188764.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1223341043 is about 34976.2925851211. The cubic root of 1223341043 is about 1069.5042519616.

Adding to 1223341043 its reverse (3401433221), we get a palindrome (4624774264).

The spelling of 1223341043 in words is "one billion, two hundred twenty-three million, three hundred forty-one thousand, forty-three".