340423032112342 has 16 divisors (see below), whose sum is σ = 517013197774272. Its totient is φ = 168096175309440.

The previous prime is 340423032112153. The next prime is 340423032112343. The reversal of 340423032112342 is 243211230324043.

It is a junction number, because it is equal to n+sod(n) for n = 340423032112298 and 340423032112307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340423032112343) 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, 2718884334 + ... + 2719009537.

It is an arithmetic number, because the mean of its divisors is an integer number (32313324860892).

Almost surely, 2^{340423032112342} is an apocalyptic number.

340423032112342 is a deficient number, since it is larger than the sum of its proper divisors (176590165661930).

340423032112342 is a wasteful number, since it uses less digits than its factorization.

340423032112342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437894263.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 340423032112342 its reverse (243211230324043), we get a palindrome (583634262436385).

The spelling of 340423032112342 in words is "three hundred forty trillion, four hundred twenty-three billion, thirty-two million, one hundred twelve thousand, three hundred forty-two".