340232305523 has 16 divisors (see below), whose sum is σ = 374429174400. Its totient is φ = 306590930880.

The previous prime is 340232305447. The next prime is 340232305547. The reversal of 340232305523 is 325503232043.

It is a cyclic number.

It is not a de Polignac number, because 340232305523 - 2³⁴ = 323052436339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340232305523.

It is not an unprimeable number, because it can be changed into a prime (340232305423) 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, 340268 + ... + 892326.

It is an arithmetic number, because the mean of its divisors is an integer number (23401823400).

Almost surely, 2^340232305523 is an apocalyptic number.

340232305523 is a deficient number, since it is larger than the sum of its proper divisors (34196868877).

340232305523 is a wasteful number, since it uses less digits than its factorization.

340232305523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552562.

The product of its (nonzero) digits is 64800, while the sum is 32.

Adding to 340232305523 its reverse (325503232043), we get a palindrome (665735537566).

The spelling of 340232305523 in words is "three hundred forty billion, two hundred thirty-two million, three hundred five thousand, five hundred twenty-three".