23021022049 has 2 divisors, whose sum is σ = 23021022050. Its totient is φ = 23021022048.

The previous prime is 23021022029. The next prime is 23021022113. The reversal of 23021022049 is 94022012032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21468110400 + 1552911649 = 146520^2 + 39407^2 .

It is a cyclic number.

It is not a de Polignac number, because 23021022049 - 2³¹ = 20873538401 is a prime.

It is not a weakly prime, because it can be changed into another prime (23021022029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510511024 + 11510511025.

It is an arithmetic number, because the mean of its divisors is an integer number (11510511025).

Almost surely, 2^23021022049 is an apocalyptic number.

It is an amenable number.

23021022049 is a deficient number, since it is larger than the sum of its proper divisors (1).

23021022049 is an equidigital number, since it uses as much as digits as its factorization.

23021022049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 23021022049 in words is "twenty-three billion, twenty-one million, twenty-two thousand, forty-nine".