23173427231406 has 96 divisors (see below), whose sum is σ = 54034209036288. Its totient is φ = 7151831020800.

The previous prime is 23173427231401. The next prime is 23173427231411. The reversal of 23173427231406 is 60413272437132.

23173427231406 is a `hidden beast` number, since 2 + 3 + 1 + 7 + 3 + 4 + 2 + 7 + 231 + 406 = 666.

It is an interprime number because it is at equal distance from previous prime (23173427231401) and next prime (23173427231411).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23173427231401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2324635 + ... + 7193801.

It is an arithmetic number, because the mean of its divisors is an integer number (562856344128).

Almost surely, 2^{23173427231406} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23173427231406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27017104518144).

23173427231406 is an abundant number, since it is smaller than the sum of its proper divisors (30860781804882).

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

23173427231406 is a wasteful number, since it uses less digits than its factorization.

23173427231406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869446 (or 4869443 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 45.

Adding to 23173427231406 its reverse (60413272437132), we get a palindrome (83586699668538).

The spelling of 23173427231406 in words is "twenty-three trillion, one hundred seventy-three billion, four hundred twenty-seven million, two hundred thirty-one thousand, four hundred six".