200911925823 has 16 divisors (see below), whose sum is σ = 306158336256. Its totient is φ = 114804253440.

The previous prime is 200911925821. The next prime is 200911925833. The reversal of 200911925823 is 328529119002.

It is a Cunningham number, because it is equal to 448232²-1.

It is not a de Polignac number, because 200911925823 - 2¹ = 200911925821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200911925821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1269988 + ... + 1419398.

It is an arithmetic number, because the mean of its divisors is an integer number (19134896016).

Almost surely, 2^200911925823 is an apocalyptic number.

200911925823 is a deficient number, since it is larger than the sum of its proper divisors (105246410433).

200911925823 is a wasteful number, since it uses less digits than its factorization.

200911925823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213454.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 200911925823 in words is "two hundred billion, nine hundred eleven million, nine hundred twenty-five thousand, eight hundred twenty-three".