201423514123 has 8 divisors (see below), whose sum is σ = 217128040416. Its totient is φ = 185749046400.

The previous prime is 201423514099. The next prime is 201423514129. The reversal of 201423514123 is 321415324102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201423514123 - 2⁹ = 201423513611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201423514091 and 201423514100.

It is not an unprimeable number, because it can be changed into a prime (201423514129) 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, 7500718 + ... + 7527523.

It is an arithmetic number, because the mean of its divisors is an integer number (27141005052).

Almost surely, 2^201423514123 is an apocalyptic number.

201423514123 is a deficient number, since it is larger than the sum of its proper divisors (15704526293).

201423514123 is a wasteful number, since it uses less digits than its factorization.

201423514123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15029285.

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

Adding to 201423514123 its reverse (321415324102), we get a palindrome (522838838225).

The spelling of 201423514123 in words is "two hundred one billion, four hundred twenty-three million, five hundred fourteen thousand, one hundred twenty-three".