3845020023 has 20 divisors (see below), whose sum is σ = 6185627448. Its totient is φ = 2366165520.

The previous prime is 3845020021. The next prime is 3845020037. The reversal of 3845020023 is 3200205483.

3845020023 is a `hidden beast` number, since 3 + 8 + 450 + 200 + 2 + 3 = 666.

It is not a de Polignac number, because 3845020023 - 2¹ = 3845020021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845020021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1824693 + ... + 1826798.

Almost surely, 2^3845020023 is an apocalyptic number.

3845020023 is a deficient number, since it is larger than the sum of its proper divisors (2340607425).

3845020023 is a wasteful number, since it uses less digits than its factorization.

3845020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651516 (or 3651507 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 3845020023 is about 62008.2254463067. The cubic root of 3845020023 is about 1566.6291456282.

The spelling of 3845020023 in words is "three billion, eight hundred forty-five million, twenty thousand, twenty-three".