1224020323 has 2 divisors, whose sum is σ = 1224020324. Its totient is φ = 1224020322.

The previous prime is 1224020269. The next prime is 1224020351. The reversal of 1224020323 is 3230204221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1224020323 - 2¹³ = 1224012131 is a prime.

It is a super-2 number, since 2×1224020323² = 2996451502234048658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1224020323.

It is not a weakly prime, because it can be changed into another prime (1224020363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612010161 + 612010162.

It is an arithmetic number, because the mean of its divisors is an integer number (612010162).

Almost surely, 2^1224020323 is an apocalyptic number.

1224020323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224020323 is an equidigital number, since it uses as much as digits as its factorization.

1224020323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1224020323 is about 34986.0018150117. The cubic root of 1224020323 is about 1069.7021685410.

Adding to 1224020323 its reverse (3230204221), we get a palindrome (4454224544).

The spelling of 1224020323 in words is "one billion, two hundred twenty-four million, twenty thousand, three hundred twenty-three".