1223124403 has 2 divisors, whose sum is σ = 1223124404. Its totient is φ = 1223124402.

The previous prime is 1223124401. The next prime is 1223124431. The reversal of 1223124403 is 3044213221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223124403 - 2¹ = 1223124401 is a prime.

Together with 1223124401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1223124401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611562201 + 611562202.

It is an arithmetic number, because the mean of its divisors is an integer number (611562202).

Almost surely, 2^1223124403 is an apocalyptic number.

1223124403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223124403 is an equidigital number, since it uses as much as digits as its factorization.

1223124403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1223124403 is about 34973.1954931202. The cubic root of 1223124403 is about 1069.4411158256.

Adding to 1223124403 its reverse (3044213221), we get a palindrome (4267337624).

The spelling of 1223124403 in words is "one billion, two hundred twenty-three million, one hundred twenty-four thousand, four hundred three".