38314081623 has 4 divisors (see below), whose sum is σ = 51085442168. Its totient is φ = 25542721080.

The previous prime is 38314081613. The next prime is 38314081657. The reversal of 38314081623 is 32618041383.

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

It is not a de Polignac number, because 38314081623 - 2⁸ = 38314081367 is a prime.

It is a super-2 number, since 2×38314081623² (a number of 22 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 (38314081613) 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, 6385680268 + ... + 6385680273.

It is an arithmetic number, because the mean of its divisors is an integer number (12771360542).

Almost surely, 2^38314081623 is an apocalyptic number.

38314081623 is a deficient number, since it is larger than the sum of its proper divisors (12771360545).

38314081623 is a wasteful number, since it uses less digits than its factorization.

38314081623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12771360544.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 38314081623 in words is "thirty-eight billion, three hundred fourteen million, eighty-one thousand, six hundred twenty-three".