1623346604 has 48 divisors (see below), whose sum is σ = 3143702016. Its totient is φ = 727334400.

The previous prime is 1623346603. The next prime is 1623346607. The reversal of 1623346604 is 4066433261.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1623346603) 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 15 ways as a sum of consecutive naturals, for example, 1326737 + ... + 1327959.

It is an arithmetic number, because the mean of its divisors is an integer number (65493792).

Almost surely, 2^1623346604 is an apocalyptic number.

It is an amenable number.

1623346604 is a deficient number, since it is larger than the sum of its proper divisors (1520355412).

1623346604 is a wasteful number, since it uses less digits than its factorization.

1623346604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 1623346604 is about 40290.7756688798. The cubic root of 1623346604 is about 1175.2684713830.

Adding to 1623346604 its reverse (4066433261), we get a palindrome (5689779865).

The spelling of 1623346604 in words is "one billion, six hundred twenty-three million, three hundred forty-six thousand, six hundred four".