815006423 has 16 divisors (see below), whose sum is σ = 1028981760. Its totient is φ = 627026400.

The previous prime is 815006419. The next prime is 815006429. The reversal of 815006423 is 324600518.

It is not a de Polignac number, because 815006423 - 2² = 815006419 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 (815006429) 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, 60908 + ... + 73073.

It is an arithmetic number, because the mean of its divisors is an integer number (64311360).

Almost surely, 2^815006423 is an apocalyptic number.

815006423 is a deficient number, since it is larger than the sum of its proper divisors (213975337).

815006423 is a wasteful number, since it uses less digits than its factorization.

815006423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134078.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 815006423 is about 28548.3173409572. The cubic root of 815006423 is about 934.0863172537.

The spelling of 815006423 in words is "eight hundred fifteen million, six thousand, four hundred twenty-three".