124340306523 has 16 divisors (see below), whose sum is σ = 169945122816. Its totient is φ = 80817239360.

The previous prime is 124340306491. The next prime is 124340306527. The reversal of 124340306523 is 325603043421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 124340306523 - 2⁵ = 124340306491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124340306527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157011 + ... + 522812.

It is an arithmetic number, because the mean of its divisors is an integer number (10621570176).

Almost surely, 2^124340306523 is an apocalyptic number.

124340306523 is a deficient number, since it is larger than the sum of its proper divisors (45604816293).

124340306523 is a wasteful number, since it uses less digits than its factorization.

124340306523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681354.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 124340306523 its reverse (325603043421), we get a palindrome (449943349944).

The spelling of 124340306523 in words is "one hundred twenty-four billion, three hundred forty million, three hundred six thousand, five hundred twenty-three".