1223000431 has 2 divisors, whose sum is σ = 1223000432. Its totient is φ = 1223000430.

The previous prime is 1223000419. The next prime is 1223000483. The reversal of 1223000431 is 1340003221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223000431 is a prime.

It is a super-2 number, since 2×1223000431² = 2991460108452371522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223000131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611500215 + 611500216.

It is an arithmetic number, because the mean of its divisors is an integer number (611500216).

Almost surely, 2^1223000431 is an apocalyptic number.

1223000431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223000431 is an equidigital number, since it uses as much as digits as its factorization.

1223000431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1223000431 is about 34971.4230622661. The cubic root of 1223000431 is about 1069.4049828879.

Adding to 1223000431 its reverse (1340003221), we get a palindrome (2563003652).

The spelling of 1223000431 in words is "one billion, two hundred twenty-three million, four hundred thirty-one", and thus it is an aban number.