23211133019 has 2 divisors, whose sum is σ = 23211133020. Its totient is φ = 23211133018.

The previous prime is 23211132991. The next prime is 23211133021. The reversal of 23211133019 is 91033111232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23211133019 - 2²⁸ = 22942697563 is a prime.

It is a super-2 number, since 2×23211133019² (a number of 22 digits) contains 22 as substring.

Together with 23211133021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23211133219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605566509 + 11605566510.

It is an arithmetic number, because the mean of its divisors is an integer number (11605566510).

Almost surely, 2^23211133019 is an apocalyptic number.

23211133019 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211133019 is an equidigital number, since it uses as much as digits as its factorization.

23211133019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 23211133019 in words is "twenty-three billion, two hundred eleven million, one hundred thirty-three thousand, nineteen".