345122423 has 4 divisors (see below), whose sum is σ = 365423760. Its totient is φ = 324821088.

The previous prime is 345122419. The next prime is 345122443. The reversal of 345122423 is 324221543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345122423 - 2² = 345122419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345122392 and 345122401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345122443) 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, 10150643 + ... + 10150676.

It is an arithmetic number, because the mean of its divisors is an integer number (91355940).

Almost surely, 2^345122423 is an apocalyptic number.

345122423 is a deficient number, since it is larger than the sum of its proper divisors (20301337).

345122423 is a wasteful number, since it uses less digits than its factorization.

345122423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20301336.

The product of its digits is 5760, while the sum is 26.

The square root of 345122423 is about 18577.4708450855. The cubic root of 345122423 is about 701.4408573211.

Adding to 345122423 its reverse (324221543), we get a palindrome (669343966).

The spelling of 345122423 in words is "three hundred forty-five million, one hundred twenty-two thousand, four hundred twenty-three".