212320320023 has 16 divisors (see below), whose sum is σ = 248365877760. Its totient is φ = 177705704736.

The previous prime is 212320319993. The next prime is 212320320029. The reversal of 212320320023 is 320023023212.

It is not a de Polignac number, because 212320320023 - 2⁸ = 212320319767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212320319977 and 212320320004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212320320029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 972161 + ... + 1170357.

It is an arithmetic number, because the mean of its divisors is an integer number (15522867360).

Almost surely, 2^212320320023 is an apocalyptic number.

212320320023 is a deficient number, since it is larger than the sum of its proper divisors (36045557737).

212320320023 is a wasteful number, since it uses less digits than its factorization.

212320320023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201806.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 212320320023 its reverse (320023023212), we get a palindrome (532343343235).

The spelling of 212320320023 in words is "two hundred twelve billion, three hundred twenty million, three hundred twenty thousand, twenty-three".