1685023801327 has 8 divisors (see below), whose sum is σ = 1720967106816. Its totient is φ = 1649084318232.

The previous prime is 1685023801297. The next prime is 1685023801343. The reversal of 1685023801327 is 7231083205861.

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 1685023801327 - 2³⁵ = 1650664062959 is a prime.

It is a super-2 number, since 2×1685023801327² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685023801367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55593 + ... + 1836610.

It is an arithmetic number, because the mean of its divisors is an integer number (215120888352).

Almost surely, 2^{1685023801327} is an apocalyptic number.

1685023801327 is a deficient number, since it is larger than the sum of its proper divisors (35943305489).

1685023801327 is a wasteful number, since it uses less digits than its factorization.

1685023801327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911197.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 1685023801327 in words is "one trillion, six hundred eighty-five billion, twenty-three million, eight hundred one thousand, three hundred twenty-seven".