1124723423 has 2 divisors, whose sum is σ = 1124723424. Its totient is φ = 1124723422.

The previous prime is 1124723419. The next prime is 1124723459. The reversal of 1124723423 is 3243274211.

It is a weak prime.

It is an emirp because it is prime and its reverse (3243274211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1124723423 - 2² = 1124723419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1124723323) 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, 562361711 + 562361712.

It is an arithmetic number, because the mean of its divisors is an integer number (562361712).

Almost surely, 2^1124723423 is an apocalyptic number.

1124723423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124723423 is an equidigital number, since it uses as much as digits as its factorization.

1124723423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

The square root of 1124723423 is about 33536.8964425750. The cubic root of 1124723423 is about 1039.9566744155.

Adding to 1124723423 its reverse (3243274211), we get a palindrome (4367997634).

The spelling of 1124723423 in words is "one billion, one hundred twenty-four million, seven hundred twenty-three thousand, four hundred twenty-three".