340112423111 has 4 divisors (see below), whose sum is σ = 354899919792. Its totient is φ = 325324926432.

The previous prime is 340112423069. The next prime is 340112423117. The reversal of 340112423111 is 111324211043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111324211043 = 971 ⋅114649033.

It is a cyclic number.

It is not a de Polignac number, because 340112423111 - 2³⁸ = 65234516167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 14787496657 = 340112423111 / (3 + 4 + 0 + 1 + 1 + 2 + 4 + 2 + 3 + 1 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340112423117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7393748306 + ... + 7393748351.

It is an arithmetic number, because the mean of its divisors is an integer number (88724979948).

Almost surely, 2^340112423111 is an apocalyptic number.

340112423111 is a deficient number, since it is larger than the sum of its proper divisors (14787496681).

340112423111 is a wasteful number, since it uses less digits than its factorization.

340112423111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14787496680.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 340112423111 its reverse (111324211043), we get a palindrome (451436634154).

The spelling of 340112423111 in words is "three hundred forty billion, one hundred twelve million, four hundred twenty-three thousand, one hundred eleven".