227421009923 has 2 divisors, whose sum is σ = 227421009924. Its totient is φ = 227421009922.

The previous prime is 227421009899. The next prime is 227421009943. The reversal of 227421009923 is 329900124722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227421009923 - 2³⁰ = 226347268099 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (227421009943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113710504961 + 113710504962.

It is an arithmetic number, because the mean of its divisors is an integer number (113710504962).

Almost surely, 2^227421009923 is an apocalyptic number.

227421009923 is a deficient number, since it is larger than the sum of its proper divisors (1).

227421009923 is an equidigital number, since it uses as much as digits as its factorization.

227421009923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 227421009923 in words is "two hundred twenty-seven billion, four hundred twenty-one million, nine thousand, nine hundred twenty-three".