1223584723 has 2 divisors, whose sum is σ = 1223584724. Its totient is φ = 1223584722.

The previous prime is 1223584693. The next prime is 1223584729. The reversal of 1223584723 is 3274853221.

It is a strong prime.

It is an emirp because it is prime and its reverse (3274853221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1223584723 - 2²¹ = 1221487571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223584729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611792361 + 611792362.

It is an arithmetic number, because the mean of its divisors is an integer number (611792362).

Almost surely, 2^1223584723 is an apocalyptic number.

1223584723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223584723 is an equidigital number, since it uses as much as digits as its factorization.

1223584723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 1223584723 is about 34979.7759140907. The cubic root of 1223584723 is about 1069.5752595506.

The spelling of 1223584723 in words is "one billion, two hundred twenty-three million, five hundred eighty-four thousand, seven hundred twenty-three".