23049749277 has 12 divisors (see below), whose sum is σ = 33295620540. Its totient is φ = 15365789568.

The previous prime is 23049749267. The next prime is 23049749291. The reversal of 23049749277 is 77294794032.

It can be written as a sum of positive squares in 2 ways, for example, as 20789602596 + 2260146681 = 144186^2 + 47541^2 .

It is not a de Polignac number, because 23049749277 - 2¹² = 23049745181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23049749227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211749 + ... + 301557.

It is an arithmetic number, because the mean of its divisors is an integer number (2774635045).

Almost surely, 2^23049749277 is an apocalyptic number.

It is an amenable number.

23049749277 is a deficient number, since it is larger than the sum of its proper divisors (10245871263).

23049749277 is a wasteful number, since it uses less digits than its factorization.

23049749277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118332 (or 118329 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 23049749277 in words is "twenty-three billion, forty-nine million, seven hundred forty-nine thousand, two hundred seventy-seven".