201323550953 has 12 divisors (see below), whose sum is σ = 234275239440. Its totient is φ = 172502226792.

The previous prime is 201323550949. The next prime is 201323550979. The reversal of 201323550953 is 359055323102.

It is a happy number.

It is not a de Polignac number, because 201323550953 - 2² = 201323550949 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201323550653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 583283 + ... + 861896.

It is an arithmetic number, because the mean of its divisors is an integer number (19522936620).

Almost surely, 2^201323550953 is an apocalyptic number.

It is an amenable number.

201323550953 is a deficient number, since it is larger than the sum of its proper divisors (32951688487).

201323550953 is a wasteful number, since it uses less digits than its factorization.

201323550953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448036 (or 1448029 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 38.

The spelling of 201323550953 in words is "two hundred one billion, three hundred twenty-three million, five hundred fifty thousand, nine hundred fifty-three".