1423223143404 has 24 divisors (see below), whose sum is σ = 3360864292800. Its totient is φ = 468691958544.

The previous prime is 1423223143399. The next prime is 1423223143409. The reversal of 1423223143404 is 4043413223241.

It is an interprime number because it is at equal distance from previous prime (1423223143399) and next prime (1423223143409).

It is not an unprimeable number, because it can be changed into a prime (1423223143409) 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, 714468454 + ... + 714470445.

It is an arithmetic number, because the mean of its divisors is an integer number (140036012200).

Almost surely, 2^{1423223143404} is an apocalyptic number.

It is an amenable number.

1423223143404 is an abundant number, since it is smaller than the sum of its proper divisors (1937641149396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423223143404 is a wasteful number, since it uses less digits than its factorization.

1423223143404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428938989 (or 1428938987 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 1423223143404 its reverse (4043413223241), we get a palindrome (5466636366645).

The spelling of 1423223143404 in words is "one trillion, four hundred twenty-three billion, two hundred twenty-three million, one hundred forty-three thousand, four hundred four".