1346145623 has 4 divisors (see below), whose sum is σ = 1364586048. Its totient is φ = 1327705200.

The previous prime is 1346145613. The next prime is 1346145631. The reversal of 1346145623 is 3265416431.

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 1346145623 - 2¹⁰ = 1346144599 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 (1346145613) 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, 9220103 + ... + 9220248.

It is an arithmetic number, because the mean of its divisors is an integer number (341146512).

Almost surely, 2^1346145623 is an apocalyptic number.

1346145623 is a deficient number, since it is larger than the sum of its proper divisors (18440425).

1346145623 is an equidigital number, since it uses as much as digits as its factorization.

1346145623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18440424.

The product of its digits is 51840, while the sum is 35.

The square root of 1346145623 is about 36689.8572223987. The cubic root of 1346145623 is about 1104.1566213309.

The spelling of 1346145623 in words is "one billion, three hundred forty-six million, one hundred forty-five thousand, six hundred twenty-three".