172344423008 has 24 divisors (see below), whose sum is σ = 339473115072. Its totient is φ = 86129028736.

The previous prime is 172344422953. The next prime is 172344423019. The reversal of 172344423008 is 800324443271.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284560 + ... + 1412367.

It is an arithmetic number, because the mean of its divisors is an integer number (14144713128).

Almost surely, 2^172344423008 is an apocalyptic number.

It is an amenable number.

172344423008 is a deficient number, since it is larger than the sum of its proper divisors (167128692064).

172344423008 is a wasteful number, since it uses less digits than its factorization.

172344423008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698934 (or 2698926 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

Adding to 172344423008 its reverse (800324443271), we get a palindrome (972668866279).

The spelling of 172344423008 in words is "one hundred seventy-two billion, three hundred forty-four million, four hundred twenty-three thousand, eight".