207423823856 has 80 divisors (see below), whose sum is σ = 416987358720. Its totient is φ = 99887800320.

The previous prime is 207423823811. The next prime is 207423823961. The reversal of 207423823856 is 658328324702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77136560 + ... + 77139248.

It is an arithmetic number, because the mean of its divisors is an integer number (5212341984).

Almost surely, 2^207423823856 is an apocalyptic number.

It is an amenable number.

207423823856 is an abundant number, since it is smaller than the sum of its proper divisors (209563534864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

207423823856 is a wasteful number, since it uses less digits than its factorization.

207423823856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4342 (or 4336 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 207423823856 in words is "two hundred seven billion, four hundred twenty-three million, eight hundred twenty-three thousand, eight hundred fifty-six".