20032311102323 has 4 divisors (see below), whose sum is σ = 21573258110208. Its totient is φ = 18491364094440.

The previous prime is 20032311102247. The next prime is 20032311102329. The reversal of 20032311102323 is 32320111323002.

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

It is a cyclic number.

It is not a de Polignac number, because 20032311102323 - 2³⁶ = 19963591625587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20032311102329) 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, 770473503923 + ... + 770473503948.

It is an arithmetic number, because the mean of its divisors is an integer number (5393314527552).

Almost surely, 2^{20032311102323} is an apocalyptic number.

20032311102323 is a deficient number, since it is larger than the sum of its proper divisors (1540947007885).

20032311102323 is a wasteful number, since it uses less digits than its factorization.

20032311102323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540947007884.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20032311102323 its reverse (32320111323002), we get a palindrome (52352422425325).

The spelling of 20032311102323 in words is "twenty trillion, thirty-two billion, three hundred eleven million, one hundred two thousand, three hundred twenty-three".