239423901696 has 624 divisors, whose sum is σ = 850501017600. Its totient is φ = 63366561792.

The previous prime is 239423901679. The next prime is 239423901721. The reversal of 239423901696 is 696109324932.

239423901696 is a `hidden beast` number, since 2 + 3 + 94 + 2 + 390 + 169 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 230436345 + ... + 230437383.

It is an arithmetic number, because the mean of its divisors is an integer number (1362982400).

Almost surely, 2^239423901696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239423901696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425250508800).

239423901696 is an abundant number, since it is smaller than the sum of its proper divisors (611077115904).

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

239423901696 is a wasteful number, since it uses less digits than its factorization.

239423901696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The spelling of 239423901696 in words is "two hundred thirty-nine billion, four hundred twenty-three million, nine hundred one thousand, six hundred ninety-six".