1344620623 has 8 divisors (see below), whose sum is σ = 1349374608. Its totient is φ = 1339875264.

The previous prime is 1344620617. The next prime is 1344620639. The reversal of 1344620623 is 3260264431.

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 1344620623 - 2²¹ = 1342523471 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 (1344620323) 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, 482811 + ... + 485587.

It is an arithmetic number, because the mean of its divisors is an integer number (168671826).

Almost surely, 2^1344620623 is an apocalyptic number.

1344620623 is a deficient number, since it is larger than the sum of its proper divisors (4753985).

1344620623 is a wasteful number, since it uses less digits than its factorization.

1344620623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 1344620623 is about 36669.0690228154. The cubic root of 1344620623 is about 1103.7395106625.

The spelling of 1344620623 in words is "one billion, three hundred forty-four million, six hundred twenty thousand, six hundred twenty-three".