1224331003423 has 4 divisors (see below), whose sum is σ = 1335633821928. Its totient is φ = 1113028184920.

The previous prime is 1224331003409. The next prime is 1224331003429. The reversal of 1224331003423 is 3243001334221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1224331003423 - 2³⁷ = 1086892049951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1224331003391 and 1224331003400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224331003429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55651409236 + ... + 55651409257.

It is an arithmetic number, because the mean of its divisors is an integer number (333908455482).

Almost surely, 2^{1224331003423} is an apocalyptic number.

1224331003423 is a deficient number, since it is larger than the sum of its proper divisors (111302818505).

1224331003423 is a wasteful number, since it uses less digits than its factorization.

1224331003423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111302818504.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1224331003423 its reverse (3243001334221), we get a palindrome (4467332337644).

The spelling of 1224331003423 in words is "one trillion, two hundred twenty-four billion, three hundred thirty-one million, three thousand, four hundred twenty-three".