20123174352 has 40 divisors (see below), whose sum is σ = 54245081664. Its totient is φ = 6416084224.

The previous prime is 20123174347. The next prime is 20123174353. The reversal of 20123174352 is 25347132102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123174353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9112653 + ... + 9114860.

Almost surely, 2^20123174352 is an apocalyptic number.

It is an amenable number.

20123174352 is an abundant number, since it is smaller than the sum of its proper divisors (34121907312).

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

20123174352 is a wasteful number, since it uses less digits than its factorization.

20123174352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18227547 (or 18227541 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 20123174352 in words is "twenty billion, one hundred twenty-three million, one hundred seventy-four thousand, three hundred fifty-two".