340505011424523 has 32 divisors (see below), whose sum is σ = 512365512441600. Its totient is φ = 199247907958400.

The previous prime is 340505011424519. The next prime is 340505011424587. The reversal of 340505011424523 is 325424110505043.

It is a cyclic number.

It is not a de Polignac number, because 340505011424523 - 2² = 340505011424519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340505011424503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70125433 + ... + 74823701.

It is an arithmetic number, because the mean of its divisors is an integer number (16011422263800).

Almost surely, 2^{340505011424523} is an apocalyptic number.

340505011424523 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

340505011424523 is a deficient number, since it is larger than the sum of its proper divisors (171860501017077).

340505011424523 is a wasteful number, since it uses less digits than its factorization.

340505011424523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774043.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 340505011424523 its reverse (325424110505043), we get a palindrome (665929121929566).

The spelling of 340505011424523 in words is "three hundred forty trillion, five hundred five billion, eleven million, four hundred twenty-four thousand, five hundred twenty-three".