102231440420523 has 8 divisors (see below), whose sum is σ = 137514857911248. Its totient is φ = 67551158271744.

The previous prime is 102231440420521. The next prime is 102231440420561. The reversal of 102231440420523 is 325024044132201.

It is a happy number.

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

It is not a de Polignac number, because 102231440420523 - 2¹ = 102231440420521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102231440420521) 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, 150783835090 + ... + 150783835767.

It is an arithmetic number, because the mean of its divisors is an integer number (17189357238906).

Almost surely, 2^{102231440420523} is an apocalyptic number.

102231440420523 is a deficient number, since it is larger than the sum of its proper divisors (35283417490725).

102231440420523 is a wasteful number, since it uses less digits than its factorization.

102231440420523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301567670973.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 102231440420523 its reverse (325024044132201), we get a palindrome (427255484552724).

The spelling of 102231440420523 in words is "one hundred two trillion, two hundred thirty-one billion, four hundred forty million, four hundred twenty thousand, five hundred twenty-three".