212072323 has 2 divisors, whose sum is σ = 212072324. Its totient is φ = 212072322.

The previous prime is 212072317. The next prime is 212072327. The reversal of 212072323 is 323270212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212072323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212072294 and 212072303.

It is not a weakly prime, because it can be changed into another prime (212072327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106036161 + 106036162.

It is an arithmetic number, because the mean of its divisors is an integer number (106036162).

Almost surely, 2^212072323 is an apocalyptic number.

212072323 is a deficient number, since it is larger than the sum of its proper divisors (1).

212072323 is an equidigital number, since it uses as much as digits as its factorization.

212072323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 212072323 is about 14562.7031487976. The cubic root of 212072323 is about 596.3409935155.

The spelling of 212072323 in words is "two hundred twelve million, seventy-two thousand, three hundred twenty-three".