1224143765423 has 32 divisors (see below), whose sum is σ = 1286956619520. Its totient is φ = 1163399086080.

The previous prime is 1224143765417. The next prime is 1224143765437. The reversal of 1224143765423 is 3245673414221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1224143765423 - 2⁶ = 1224143765359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224143765723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103937711 + ... + 103949487.

It is an arithmetic number, because the mean of its divisors is an integer number (40217394360).

Almost surely, 2^{1224143765423} is an apocalyptic number.

1224143765423 is a deficient number, since it is larger than the sum of its proper divisors (62812854097).

1224143765423 is a wasteful number, since it uses less digits than its factorization.

1224143765423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12327.

The product of its digits is 967680, while the sum is 44.

The spelling of 1224143765423 in words is "one trillion, two hundred twenty-four billion, one hundred forty-three million, seven hundred sixty-five thousand, four hundred twenty-three".