227970823 has 2 divisors, whose sum is σ = 227970824. Its totient is φ = 227970822.

The previous prime is 227970811. The next prime is 227970839. The reversal of 227970823 is 328079722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 227970823 - 2⁵ = 227970791 is a prime.

It is a super-2 number, since 2×227970823² = 103941392278594658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227970803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113985411 + 113985412.

It is an arithmetic number, because the mean of its divisors is an integer number (113985412).

Almost surely, 2^227970823 is an apocalyptic number.

227970823 is a deficient number, since it is larger than the sum of its proper divisors (1).

227970823 is an equidigital number, since it uses as much as digits as its factorization.

227970823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 227970823 is about 15098.7026926157. The cubic root of 227970823 is about 610.8854140131.

The spelling of 227970823 in words is "two hundred twenty-seven million, nine hundred seventy thousand, eight hundred twenty-three".