201423155352544 has 24 divisors (see below), whose sum is σ = 401571480612960. Its totient is φ = 99436747577856.

The previous prime is 201423155352509. The next prime is 201423155352553. The reversal of 201423155352544 is 445253551324102.

It is a junction number, because it is equal to n+sod(n) for n = 201423155352494 and 201423155352503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39838438009 + ... + 39838443064.

It is an arithmetic number, because the mean of its divisors is an integer number (16732145025540).

Almost surely, 2^{201423155352544} is an apocalyptic number.

It is an amenable number.

201423155352544 is a deficient number, since it is larger than the sum of its proper divisors (200148325260416).

201423155352544 is an equidigital number, since it uses as much as digits as its factorization.

201423155352544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79676881162 (or 79676881154 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 201423155352544 in words is "two hundred one trillion, four hundred twenty-three billion, one hundred fifty-five million, three hundred fifty-two thousand, five hundred forty-four".