368686698623 has 4 divisors (see below), whose sum is σ = 377679057168. Its totient is φ = 359694340080.

The previous prime is 368686698619. The next prime is 368686698643. The reversal of 368686698623 is 326896686863.

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 368686698623 - 2² = 368686698619 is a prime.

It is a super-2 number, since 2×368686698623² (a number of 24 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 (368686698643) 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, 4496179211 + ... + 4496179292.

It is an arithmetic number, because the mean of its divisors is an integer number (94419764292).

Almost surely, 2^368686698623 is an apocalyptic number.

368686698623 is a deficient number, since it is larger than the sum of its proper divisors (8992358545).

368686698623 is an equidigital number, since it uses as much as digits as its factorization.

368686698623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8992358544.

The product of its digits is 644972544, while the sum is 71.

The spelling of 368686698623 in words is "three hundred sixty-eight billion, six hundred eighty-six million, six hundred ninety-eight thousand, six hundred twenty-three".