1344672623 has 4 divisors (see below), whose sum is σ = 1536768720. Its totient is φ = 1152576528.

The previous prime is 1344672607. The next prime is 1344672643. The reversal of 1344672623 is 3262764431.

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 1344672623 - 2⁴ = 1344672607 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 (1344672643) 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, 96048038 + ... + 96048051.

It is an arithmetic number, because the mean of its divisors is an integer number (384192180).

Almost surely, 2^1344672623 is an apocalyptic number.

1344672623 is a deficient number, since it is larger than the sum of its proper divisors (192096097).

1344672623 is an equidigital number, since it uses as much as digits as its factorization.

1344672623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192096096.

The product of its digits is 145152, while the sum is 38.

The square root of 1344672623 is about 36669.7780604137. The cubic root of 1344672623 is about 1103.7537386447.

The spelling of 1344672623 in words is "one billion, three hundred forty-four million, six hundred seventy-two thousand, six hundred twenty-three".