201323120030 has 32 divisors (see below), whose sum is σ = 366823296000. Its totient is φ = 79548033312.

The previous prime is 201323119999. The next prime is 201323120069. The reversal of 201323120030 is 30021323102.

It is a super-2 number, since 2×201323120030² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201323119990 and 201323120008.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 87302 + ... + 640521.

It is an arithmetic number, because the mean of its divisors is an integer number (11463228000).

Almost surely, 2^201323120030 is an apocalyptic number.

201323120030 is a deficient number, since it is larger than the sum of its proper divisors (165500175970).

201323120030 is a wasteful number, since it uses less digits than its factorization.

201323120030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728168.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 201323120030 its reverse (30021323102), we get a palindrome (231344443132).

The spelling of 201323120030 in words is "two hundred one billion, three hundred twenty-three million, one hundred twenty thousand, thirty".