23200001649 has 24 divisors (see below), whose sum is σ = 36682394112. Its totient is φ = 14012601120.

The previous prime is 23200001597. The next prime is 23200001683. The reversal of 23200001649 is 94610000232.

It is not a de Polignac number, because 23200001649 - 2¹¹ = 23199999601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23200001749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370897 + ... + 428910.

It is an arithmetic number, because the mean of its divisors is an integer number (1528433088).

Almost surely, 2^23200001649 is an apocalyptic number.

It is an amenable number.

23200001649 is a deficient number, since it is larger than the sum of its proper divisors (13482392463).

23200001649 is a wasteful number, since it uses less digits than its factorization.

23200001649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800117 (or 800114 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 23200001649 in words is "twenty-three billion, two hundred million, one thousand, six hundred forty-nine".