4432320243023 has 4 divisors (see below), whose sum is σ = 4450711613568. Its totient is φ = 4413928872480.

The previous prime is 4432320243019. The next prime is 4432320243031. The reversal of 4432320243023 is 3203420232344.

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 4432320243023 - 2² = 4432320243019 is a prime.

It is a super-2 number, since 2×4432320243023² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4432320243053) 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, 9195684911 + ... + 9195685392.

It is an arithmetic number, because the mean of its divisors is an integer number (1112677903392).

Almost surely, 2^{4432320243023} is an apocalyptic number.

4432320243023 is a deficient number, since it is larger than the sum of its proper divisors (18391370545).

4432320243023 is a wasteful number, since it uses less digits than its factorization.

4432320243023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18391370544.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 4432320243023 its reverse (3203420232344), we get a palindrome (7635740475367).

The spelling of 4432320243023 in words is "four trillion, four hundred thirty-two billion, three hundred twenty million, two hundred forty-three thousand, twenty-three".