1223204432423 has 8 divisors (see below), whose sum is σ = 1270814734800. Its totient is φ = 1175956186048.

The previous prime is 1223204432413. The next prime is 1223204432501. The reversal of 1223204432423 is 3242344023221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1223204432423 - 2⁸ = 1223204432167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223204432423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223204432413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90507113 + ... + 90520626.

It is an arithmetic number, because the mean of its divisors is an integer number (158851841850).

Almost surely, 2^{1223204432423} is an apocalyptic number.

1223204432423 is a deficient number, since it is larger than the sum of its proper divisors (47610302377).

1223204432423 is a wasteful number, since it uses less digits than its factorization.

1223204432423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181028001.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 1223204432423 its reverse (3242344023221), we get a palindrome (4465548455644).

The spelling of 1223204432423 in words is "one trillion, two hundred twenty-three billion, two hundred four million, four hundred thirty-two thousand, four hundred twenty-three".