632423611 has 2 divisors, whose sum is σ = 632423612. Its totient is φ = 632423610.

The previous prime is 632423581. The next prime is 632423621. The reversal of 632423611 is 116324236.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632423611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 632423611.

It is not a weakly prime, because it can be changed into another prime (632423621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316211805 + 316211806.

It is an arithmetic number, because the mean of its divisors is an integer number (316211806).

Almost surely, 2^632423611 is an apocalyptic number.

632423611 is a deficient number, since it is larger than the sum of its proper divisors (1).

632423611 is an equidigital number, since it uses as much as digits as its factorization.

632423611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 632423611 is about 25148.0339390577. The cubic root of 632423611 is about 858.3597775202.

Adding to 632423611 its reverse (116324236), we get a palindrome (748747847).

It can be divided in two parts, 6324236 and 11, that multiplied together give a palindrome (69566596).

The spelling of 632423611 in words is "six hundred thirty-two million, four hundred twenty-three thousand, six hundred eleven".