2123949227 has 2 divisors, whose sum is σ = 2123949228. Its totient is φ = 2123949226.

The previous prime is 2123949193. The next prime is 2123949259. The reversal of 2123949227 is 7229493212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2123949227 - 2⁸ = 2123948971 is a prime.

It is a super-2 number, since 2×2123949227² = 9022320637747795058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2123949287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061974613 + 1061974614.

It is an arithmetic number, because the mean of its divisors is an integer number (1061974614).

Almost surely, 2^2123949227 is an apocalyptic number.

2123949227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123949227 is an equidigital number, since it uses as much as digits as its factorization.

2123949227 is an evil number, because the sum of its binary digits is even.

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

The square root of 2123949227 is about 46086.3236437883. The cubic root of 2123949227 is about 1285.4288518994.

The spelling of 2123949227 in words is "two billion, one hundred twenty-three million, nine hundred forty-nine thousand, two hundred twenty-seven".