4040420023 has 4 divisors (see below), whose sum is σ = 4041971280. Its totient is φ = 4038868768.

The previous prime is 4040420011. The next prime is 4040420057. The reversal of 4040420023 is 3200240404.

4040420023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4040420023 - 2⁵ = 4040419991 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 (4040420323) 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, 771715 + ... + 776932.

It is an arithmetic number, because the mean of its divisors is an integer number (1010492820).

Almost surely, 2^4040420023 is an apocalyptic number.

4040420023 is a deficient number, since it is larger than the sum of its proper divisors (1551257).

4040420023 is a wasteful number, since it uses less digits than its factorization.

4040420023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551256.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4040420023 is about 63564.2983364089. The cubic root of 4040420023 is about 1592.7300411702.

Adding to 4040420023 its reverse (3200240404), we get a palindrome (7240660427).

The spelling of 4040420023 in words is "four billion, forty million, four hundred twenty thousand, twenty-three".