23211222049 has 2 divisors, whose sum is σ = 23211222050. Its totient is φ = 23211222048.

The previous prime is 23211221993. The next prime is 23211222061. The reversal of 23211222049 is 94022211232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20141286400 + 3069935649 = 141920^2 + 55407^2 .

It is a cyclic number.

It is not a de Polignac number, because 23211222049 - 2¹¹ = 23211220001 is a prime.

It is not a weakly prime, because it can be changed into another prime (23211222649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605611024 + 11605611025.

It is an arithmetic number, because the mean of its divisors is an integer number (11605611025).

Almost surely, 2^23211222049 is an apocalyptic number.

It is an amenable number.

23211222049 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211222049 is an equidigital number, since it uses as much as digits as its factorization.

23211222049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 23211222049 in words is "twenty-three billion, two hundred eleven million, two hundred twenty-two thousand, forty-nine".