1345123703 has 8 divisors (see below), whose sum is σ = 1677037440. Its totient is φ = 1048148280.

The previous prime is 1345123673. The next prime is 1345123723. The reversal of 1345123703 is 3073215431.

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 1345123703 - 2¹⁶ = 1345058167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345123723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8734493 + ... + 8734646.

It is an arithmetic number, because the mean of its divisors is an integer number (209629680).

Almost surely, 2^1345123703 is an apocalyptic number.

1345123703 is a deficient number, since it is larger than the sum of its proper divisors (331913737).

1345123703 is a wasteful number, since it uses less digits than its factorization.

1345123703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17469157.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 1345123703 is about 36675.9281136824. The cubic root of 1345123703 is about 1103.8771455284.

The spelling of 1345123703 in words is "one billion, three hundred forty-five million, one hundred twenty-three thousand, seven hundred three".