1345564423 has 8 divisors (see below), whose sum is σ = 1604648448. Its totient is φ = 1103195544.

The previous prime is 1345564421. The next prime is 1345564453. The reversal of 1345564423 is 3244655431.

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 1345564423 - 2¹ = 1345564421 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 (1345564421) 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, 4178611 + ... + 4178932.

It is an arithmetic number, because the mean of its divisors is an integer number (200581056).

Almost surely, 2^1345564423 is an apocalyptic number.

1345564423 is a deficient number, since it is larger than the sum of its proper divisors (259084025).

1345564423 is an equidigital number, since it uses as much as digits as its factorization.

1345564423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8357573.

The product of its digits is 172800, while the sum is 37.

The square root of 1345564423 is about 36681.9359221947. The cubic root of 1345564423 is about 1103.9976914706.

The spelling of 1345564423 in words is "one billion, three hundred forty-five million, five hundred sixty-four thousand, four hundred twenty-three".