3685217023 has 4 divisors (see below), whose sum is σ = 3685384008. Its totient is φ = 3685050040.

The previous prime is 3685217017. The next prime is 3685217027. The reversal of 3685217023 is 3207125863.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3685217023 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 (3685217027) 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, 44236 + ... + 96577.

It is an arithmetic number, because the mean of its divisors is an integer number (921346002).

Almost surely, 2^3685217023 is an apocalyptic number.

3685217023 is a deficient number, since it is larger than the sum of its proper divisors (166985).

3685217023 is a wasteful number, since it uses less digits than its factorization.

3685217023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166984.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 3685217023 is about 60705.9883619400. The cubic root of 3685217023 is about 1544.6177558304.

The spelling of 3685217023 in words is "three billion, six hundred eighty-five million, two hundred seventeen thousand, twenty-three".