20146170017323 has 4 divisors (see below), whose sum is σ = 23024194305520. Its totient is φ = 17268145729128.

The previous prime is 20146170017257. The next prime is 20146170017359. The reversal of 20146170017323 is 32371007164102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20146170017323 - 2²¹ = 20146167920171 is a prime.

It is a super-2 number, since 2×20146170017323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20146170017423) 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, 1439012144088 + ... + 1439012144101.

It is an arithmetic number, because the mean of its divisors is an integer number (5756048576380).

Almost surely, 2^{20146170017323} is an apocalyptic number.

20146170017323 is a deficient number, since it is larger than the sum of its proper divisors (2878024288197).

20146170017323 is an equidigital number, since it uses as much as digits as its factorization.

20146170017323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878024288196.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 20146170017323 in words is "twenty trillion, one hundred forty-six billion, one hundred seventy million, seventeen thousand, three hundred twenty-three".