201323440724144 has 40 divisors (see below), whose sum is σ = 390304245304512. Its totient is φ = 100599767493120.

The previous prime is 201323440724143. The next prime is 201323440724207. The reversal of 201323440724144 is 441427044323102.

It is a super-2 number, since 2×201323440724144² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201323440724143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613325977 + ... + 1613450759.

Almost surely, 2^{201323440724144} is an apocalyptic number.

It is an amenable number.

201323440724144 is a deficient number, since it is larger than the sum of its proper divisors (188980804580368).

201323440724144 is a wasteful number, since it uses less digits than its factorization.

201323440724144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186045 (or 186039 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 41.

The spelling of 201323440724144 in words is "two hundred one trillion, three hundred twenty-three billion, four hundred forty million, seven hundred twenty-four thousand, one hundred forty-four".