1623064133 has 2 divisors, whose sum is σ = 1623064134. Its totient is φ = 1623064132.

The previous prime is 1623064109. The next prime is 1623064153. The reversal of 1623064133 is 3314603261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1482096004 + 140968129 = 38498^2 + 11873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1623064133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1623064096 and 1623064105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1623064153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811532066 + 811532067.

It is an arithmetic number, because the mean of its divisors is an integer number (811532067).

Almost surely, 2^1623064133 is an apocalyptic number.

It is an amenable number.

1623064133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623064133 is an equidigital number, since it uses as much as digits as its factorization.

1623064133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 1623064133 is about 40287.2701110413. The cubic root of 1623064133 is about 1175.2002997601.

Adding to 1623064133 its reverse (3314603261), we get a palindrome (4937667394).

The spelling of 1623064133 in words is "one billion, six hundred twenty-three million, sixty-four thousand, one hundred thirty-three".