2209511323 has 2 divisors, whose sum is σ = 2209511324. Its totient is φ = 2209511322.

The previous prime is 2209511287. The next prime is 2209511333. The reversal of 2209511323 is 3231159022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2209511323 - 2⁹ = 2209510811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2209511291 and 2209511300.

It is not a weakly prime, because it can be changed into another prime (2209511333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104755661 + 1104755662.

It is an arithmetic number, because the mean of its divisors is an integer number (1104755662).

Almost surely, 2^2209511323 is an apocalyptic number.

2209511323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2209511323 is an equidigital number, since it uses as much as digits as its factorization.

2209511323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 2209511323 is about 47005.4392916394. The cubic root of 2209511323 is about 1302.4630470050.

The spelling of 2209511323 in words is "two billion, two hundred nine million, five hundred eleven thousand, three hundred twenty-three".