633485204023 has 4 divisors (see below), whose sum is σ = 723983090320. Its totient is φ = 542987317728.

The previous prime is 633485203987. The next prime is 633485204081. The reversal of 633485204023 is 320402584336.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-633485204023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633485204083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45248943138 + ... + 45248943151.

It is an arithmetic number, because the mean of its divisors is an integer number (180995772580).

Almost surely, 2^633485204023 is an apocalyptic number.

633485204023 is a deficient number, since it is larger than the sum of its proper divisors (90497886297).

633485204023 is an equidigital number, since it uses as much as digits as its factorization.

633485204023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90497886296.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 633485204023 its reverse (320402584336), we get a palindrome (953887788359).

The spelling of 633485204023 in words is "six hundred thirty-three billion, four hundred eighty-five million, two hundred four thousand, twenty-three".