1623783713 has 4 divisors (see below), whose sum is σ = 1719300420. Its totient is φ = 1528267008.

The previous prime is 1623783677. The next prime is 1623783731. The reversal of 1623783713 is 3173873261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3173873261 = 13 ⋅244144097.

It can be written as a sum of positive squares in 2 ways, for example, as 1074725089 + 549058624 = 32783^2 + 23432^2 .

It is a cyclic number.

It is not a de Polignac number, because 1623783713 - 2⁶ = 1623783649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1623713713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47758328 + ... + 47758361.

It is an arithmetic number, because the mean of its divisors is an integer number (429825105).

Almost surely, 2^1623783713 is an apocalyptic number.

It is an amenable number.

1623783713 is a deficient number, since it is larger than the sum of its proper divisors (95516707).

1623783713 is an equidigital number, since it uses as much as digits as its factorization.

1623783713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95516706.

The product of its digits is 127008, while the sum is 41.

The square root of 1623783713 is about 40296.1997339700. The cubic root of 1623783713 is about 1175.3739477948.

The spelling of 1623783713 in words is "one billion, six hundred twenty-three million, seven hundred eighty-three thousand, seven hundred thirteen".