4023406720209 has 16 divisors (see below), whose sum is σ = 5426860714560. Its totient is φ = 2651134632960.

The previous prime is 4023406720199. The next prime is 4023406720211. The reversal of 4023406720209 is 9020276043204.

It is a happy number.

It is not a de Polignac number, because 4023406720209 - 2¹⁵ = 4023406687441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4023406720279) 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, 2126287 + ... + 3545124.

It is an arithmetic number, because the mean of its divisors is an integer number (339178794660).

Almost surely, 2^{4023406720209} is an apocalyptic number.

It is an amenable number.

4023406720209 is a deficient number, since it is larger than the sum of its proper divisors (1403453994351).

4023406720209 is a wasteful number, since it uses less digits than its factorization.

4023406720209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5674160.

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 4023406720209 in words is "four trillion, twenty-three billion, four hundred six million, seven hundred twenty thousand, two hundred nine".