1423423421024 has 48 divisors (see below), whose sum is σ = 3236956215696. Its totient is φ = 608951193600.

The previous prime is 1423423421023. The next prime is 1423423421039. The reversal of 1423423421024 is 4201243243241.

It is a happy number.

It is a super-2 number, since 2×1423423421024² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423423421023) 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, 118929797 + ... + 118941764.

It is an arithmetic number, because the mean of its divisors is an integer number (67436587827).

Almost surely, 2^{1423423421024} is an apocalyptic number.

It is an amenable number.

1423423421024 is an abundant number, since it is smaller than the sum of its proper divisors (1813532794672).

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

1423423421024 is a wasteful number, since it uses less digits than its factorization.

1423423421024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237871599 (or 237871591 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 1423423421024 its reverse (4201243243241), we get a palindrome (5624666664265).

The spelling of 1423423421024 in words is "one trillion, four hundred twenty-three billion, four hundred twenty-three million, four hundred twenty-one thousand, twenty-four".