201423143125 has 40 divisors (see below), whose sum is σ = 261886763160. Its totient is φ = 154680288000.

The previous prime is 201423143113. The next prime is 201423143143. The reversal of 201423143125 is 521341324102.

It can be written as a sum of positive squares in 20 ways, for example, as 153286344324 + 48136798801 = 391518^2 + 219401^2 .

It is not a de Polignac number, because 201423143125 - 2¹¹ = 201423141077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201423143093 and 201423143102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3103507 + ... + 3167743.

It is an arithmetic number, because the mean of its divisors is an integer number (6547169079).

Almost surely, 2^201423143125 is an apocalyptic number.

201423143125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201423143125 is a deficient number, since it is larger than the sum of its proper divisors (60463620035).

201423143125 is an equidigital number, since it uses as much as digits as its factorization.

201423143125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64459 (or 64444 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 201423143125 its reverse (521341324102), we get a palindrome (722764467227).

The spelling of 201423143125 in words is "two hundred one billion, four hundred twenty-three million, one hundred forty-three thousand, one hundred twenty-five".