8157023 has 8 divisors (see below), whose sum is σ = 9813120. Its totient is φ = 6623640.

The previous prime is 8157013. The next prime is 8157029. The reversal of 8157023 is 3207518.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8157023 - 2⁴ = 8157007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8156983 and 8157001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8157029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30533 + ... + 30798.

It is an arithmetic number, because the mean of its divisors is an integer number (1226640).

Almost surely, 2^8157023 is an apocalyptic number.

8157023 is a deficient number, since it is larger than the sum of its proper divisors (1656097).

8157023 is a wasteful number, since it uses less digits than its factorization.

8157023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61357.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 8157023 is about 2856.0502446561. The cubic root of 8157023 is about 201.3000559618.

The spelling of 8157023 in words is "eight million, one hundred fifty-seven thousand, twenty-three".