3158023 has 4 divisors (see below), whose sum is σ = 3445128. Its totient is φ = 2870920.

The previous prime is 3157993. The next prime is 3158033. The reversal of 3158023 is 3208513.

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 3158023 - 2⁵ = 3157991 is a prime.

It is a Duffinian number.

3158023 is a lucky number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 3157985 and 3158003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3158033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143536 + ... + 143557.

It is an arithmetic number, because the mean of its divisors is an integer number (861282).

Almost surely, 2^3158023 is an apocalyptic number.

3158023 is a deficient number, since it is larger than the sum of its proper divisors (287105).

3158023 is a wasteful number, since it uses less digits than its factorization.

3158023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287104.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3158023 is about 1777.0827217662. The cubic root of 3158023 is about 146.7140692738.

It can be divided in two parts, 315 and 8023, that added together give a palindrome (8338).

The spelling of 3158023 in words is "three million, one hundred fifty-eight thousand, twenty-three".