4021232423 has 16 divisors (see below), whose sum is σ = 4553354400. Its totient is φ = 3525137280.

The previous prime is 4021232387. The next prime is 4021232431. The reversal of 4021232423 is 3242321204.

It is a cyclic number.

It is not a de Polignac number, because 4021232423 - 2¹⁴ = 4021216039 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 (4021232123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64433 + ... + 110426.

It is an arithmetic number, because the mean of its divisors is an integer number (284584650).

Almost surely, 2^4021232423 is an apocalyptic number.

4021232423 is a deficient number, since it is larger than the sum of its proper divisors (532121977).

4021232423 is a wasteful number, since it uses less digits than its factorization.

4021232423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174962.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4021232423 is about 63413.1880841832. The cubic root of 4021232423 is about 1590.2047945010.

Adding to 4021232423 its reverse (3242321204), we get a palindrome (7263553627).

The spelling of 4021232423 in words is "four billion, twenty-one million, two hundred thirty-two thousand, four hundred twenty-three".