172623112704 has 480 divisors, whose sum is σ = 580951388160. Its totient is φ = 48329588736.

The previous prime is 172623112693. The next prime is 172623112751. The reversal of 172623112704 is 407211326271.

172623112704 is a `hidden beast` number, since 1 + 7 + 2 + 623 + 1 + 1 + 27 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 450712897 + ... + 450713279.

It is an arithmetic number, because the mean of its divisors is an integer number (1210315392).

Almost surely, 2^172623112704 is an apocalyptic number.

172623112704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172623112704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290475694080).

172623112704 is an abundant number, since it is smaller than the sum of its proper divisors (408328275456).

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

172623112704 is a wasteful number, since it uses less digits than its factorization.

172623112704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

Adding to 172623112704 its reverse (407211326271), we get a palindrome (579834438975).

The spelling of 172623112704 in words is "one hundred seventy-two billion, six hundred twenty-three million, one hundred twelve thousand, seven hundred four".