23201686988 has 48 divisors (see below), whose sum is σ = 43708896000. Its totient is φ = 10754764608.

The previous prime is 23201686927. The next prime is 23201686993. The reversal of 23201686988 is 88968610232.

It is a super-5 number, since 5×23201686988⁵ (a number of 53 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254873 + ... + 333711.

It is an arithmetic number, because the mean of its divisors is an integer number (910602000).

Almost surely, 2^23201686988 is an apocalyptic number.

It is an amenable number.

23201686988 is a deficient number, since it is larger than the sum of its proper divisors (20507209012).

23201686988 is a wasteful number, since it uses less digits than its factorization.

23201686988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78974 (or 78972 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 53.

Adding to 23201686988 its sum of digits (53), we get a square (23201687041 = 152321²).

The spelling of 23201686988 in words is "twenty-three billion, two hundred one million, six hundred eighty-six thousand, nine hundred eighty-eight".