212152323 has 8 divisors (see below), whose sum is σ = 282937536. Its totient is φ = 141401000.

The previous prime is 212152321. The next prime is 212152349. The reversal of 212152323 is 323251212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212152323 - 2¹ = 212152321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212152323.

It is not an unprimeable number, because it can be changed into a prime (212152321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17608 + ... + 27098.

It is an arithmetic number, because the mean of its divisors is an integer number (35367192).

Almost surely, 2^212152323 is an apocalyptic number.

212152323 is a deficient number, since it is larger than the sum of its proper divisors (70785213).

212152323 is an equidigital number, since it uses as much as digits as its factorization.

212152323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16945.

The product of its digits is 720, while the sum is 21.

The square root of 212152323 is about 14565.4496326066. The cubic root of 212152323 is about 596.4159699531.

The spelling of 212152323 in words is "two hundred twelve million, one hundred fifty-two thousand, three hundred twenty-three".