4021402304023 has 4 divisors (see below), whose sum is σ = 4330740942808. Its totient is φ = 3712063665240.

The previous prime is 4021402303973. The next prime is 4021402304069. The reversal of 4021402304023 is 3204032041204.

It is a happy number.

4021402304023 is digitally balanced in base 2, 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 4021402304023 - 2¹³ = 4021402295831 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 (4021402302023) 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, 154669319373 + ... + 154669319398.

It is an arithmetic number, because the mean of its divisors is an integer number (1082685235702).

Almost surely, 2^{4021402304023} is an apocalyptic number.

4021402304023 is a deficient number, since it is larger than the sum of its proper divisors (309338638785).

4021402304023 is a wasteful number, since it uses less digits than its factorization.

4021402304023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309338638784.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 4021402304023 its reverse (3204032041204), we get a palindrome (7225434345227).

The spelling of 4021402304023 in words is "four trillion, twenty-one billion, four hundred two million, three hundred four thousand, twenty-three".