212132232323 has 4 divisors (see below), whose sum is σ = 231416980728. Its totient is φ = 192847483920.

The previous prime is 212132232317. The next prime is 212132232329. The reversal of 212132232323 is 323232231212.

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

It is an interprime number because it is at equal distance from previous prime (212132232317) and next prime (212132232329).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212132232323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212132232292 and 212132232301.

It is not an unprimeable number, because it can be changed into a prime (212132232329) 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, 9642374186 + ... + 9642374207.

It is an arithmetic number, because the mean of its divisors is an integer number (57854245182).

Almost surely, 2^212132232323 is an apocalyptic number.

212132232323 is a deficient number, since it is larger than the sum of its proper divisors (19284748405).

212132232323 is a wasteful number, since it uses less digits than its factorization.

212132232323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19284748404.

The product of its digits is 5184, while the sum is 26.

Adding to 212132232323 its reverse (323232231212), we get a palindrome (535364463535).

The spelling of 212132232323 in words is "two hundred twelve billion, one hundred thirty-two million, two hundred thirty-two thousand, three hundred twenty-three".