23526947816 has 8 divisors (see below), whose sum is σ = 44113027170. Its totient is φ = 11763473904.

The previous prime is 23526947813. The next prime is 23526947879. The reversal of 23526947816 is 61874962532.

It can be written as a sum of positive squares in only one way, i.e., 16545676900 + 6981270916 = 128630^2 + 83554^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (23526947813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1470434231 + ... + 1470434246.

Almost surely, 2^23526947816 is an apocalyptic number.

It is an amenable number.

23526947816 is a deficient number, since it is larger than the sum of its proper divisors (20586079354).

23526947816 is a wasteful number, since it uses less digits than its factorization.

23526947816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940868483 (or 2940868479 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 53.

The spelling of 23526947816 in words is "twenty-three billion, five hundred twenty-six million, nine hundred forty-seven thousand, eight hundred sixteen".