123344345 has 8 divisors (see below), whose sum is σ = 148091976. Its totient is φ = 98622976.

The previous prime is 123344321. The next prime is 123344369. The reversal of 123344345 is 543443321.

It is an interprime number because it is at equal distance from previous prime (123344321) and next prime (123344369).

It can be written as a sum of positive squares in 4 ways, for example, as 35378704 + 87965641 = 5948^2 + 9379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123344345 - 2⁶ = 123344281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5939 + ... + 16791.

It is an arithmetic number, because the mean of its divisors is an integer number (18511497).

Almost surely, 2^123344345 is an apocalyptic number.

It is an amenable number.

123344345 is a deficient number, since it is larger than the sum of its proper divisors (24747631).

123344345 is a wasteful number, since it uses less digits than its factorization.

123344345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13131.

The product of its digits is 17280, while the sum is 29.

The square root of 123344345 is about 11106.0499278546. The cubic root of 123344345 is about 497.7826411757.

Adding to 123344345 its reverse (543443321), we get a palindrome (666787666).

The spelling of 123344345 in words is "one hundred twenty-three million, three hundred forty-four thousand, three hundred forty-five".