815006164423 has 16 divisors (see below), whose sum is σ = 918434764800. Its totient is φ = 716501282400.

The previous prime is 815006164393. The next prime is 815006164451. The reversal of 815006164423 is 324461600518.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 815006164423 - 2¹⁷ = 815006033351 is a prime.

It is a super-2 number, since 2×815006164423² (a number of 25 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 (815006164123) 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, 377140 + ... + 1331257.

It is an arithmetic number, because the mean of its divisors is an integer number (57402172800).

Almost surely, 2^815006164423 is an apocalyptic number.

815006164423 is a deficient number, since it is larger than the sum of its proper divisors (103428600377).

815006164423 is a wasteful number, since it uses less digits than its factorization.

815006164423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709838.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 815006164423 in words is "eight hundred fifteen billion, six million, one hundred sixty-four thousand, four hundred twenty-three".