227297923 has 2 divisors, whose sum is σ = 227297924. Its totient is φ = 227297922.

The previous prime is 227297899. The next prime is 227297947. The reversal of 227297923 is 329792722.

It is a balanced prime because it is at equal distance from previous prime (227297899) and next prime (227297947).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227297923 is a prime.

It is a super-2 number, since 2×227297923² = 103328691600227858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 227297923.

It is not a weakly prime, because it can be changed into another prime (227297963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113648961 + 113648962.

It is an arithmetic number, because the mean of its divisors is an integer number (113648962).

Almost surely, 2^227297923 is an apocalyptic number.

227297923 is a deficient number, since it is larger than the sum of its proper divisors (1).

227297923 is an equidigital number, since it uses as much as digits as its factorization.

227297923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 43.

The square root of 227297923 is about 15076.4028534661. The cubic root of 227297923 is about 610.2837728323.

The spelling of 227297923 in words is "two hundred twenty-seven million, two hundred ninety-seven thousand, nine hundred twenty-three".