192723097640 has 16 divisors (see below), whose sum is σ = 433626969780. Its totient is φ = 77089239040.

The previous prime is 192723097603. The next prime is 192723097667. The reversal of 192723097640 is 46790327291.

It can be written as a sum of positive squares in 2 ways, for example, as 189735163396 + 2987934244 = 435586^2 + 54662^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2409038681 + ... + 2409038760.

Almost surely, 2^192723097640 is an apocalyptic number.

192723097640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

192723097640 is an abundant number, since it is smaller than the sum of its proper divisors (240903872140).

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

192723097640 is a wasteful number, since it uses less digits than its factorization.

192723097640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818077452 (or 4818077448 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 192723097640 in words is "one hundred ninety-two billion, seven hundred twenty-three million, ninety-seven thousand, six hundred forty".