3870023 has 4 divisors (see below), whose sum is σ = 3933528. Its totient is φ = 3806520.

The previous prime is 3870011. The next prime is 3870037. The reversal of 3870023 is 3200783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3200783 = 1321 ⋅2423.

It is a cyclic number.

It is not a de Polignac number, because 3870023 - 2⁶ = 3869959 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 (3870073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31661 + ... + 31782.

It is an arithmetic number, because the mean of its divisors is an integer number (983382).

Almost surely, 2^3870023 is an apocalyptic number.

3870023 is a deficient number, since it is larger than the sum of its proper divisors (63505).

3870023 is an equidigital number, since it uses as much as digits as its factorization.

3870023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63504.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 3870023 is about 1967.2374030604. The cubic root of 3870023 is about 157.0017579962.

The spelling of 3870023 in words is "three million, eight hundred seventy thousand, twenty-three".