172309233848 has 16 divisors (see below), whose sum is σ = 323106364680. Its totient is φ = 86147536608.

The previous prime is 172309233847. The next prime is 172309233857. The reversal of 172309233848 is 848332903271.

It is a happy number.

172309233848 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 172309233796 and 172309233805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172309233847) 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, 780890 + ... + 976937.

Almost surely, 2^172309233848 is an apocalyptic number.

It is an amenable number.

172309233848 is a deficient number, since it is larger than the sum of its proper divisors (150797130832).

172309233848 is a wasteful number, since it uses less digits than its factorization.

172309233848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770086 (or 1770082 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 172309233848 in words is "one hundred seventy-two billion, three hundred nine million, two hundred thirty-three thousand, eight hundred forty-eight".