633212523043 has 4 divisors (see below), whose sum is σ = 666539497960. Its totient is φ = 599885548128.

The previous prime is 633212523017. The next prime is 633212523059. The reversal of 633212523043 is 340325212336.

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-633212523043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (633212523443) 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, 16663487430 + ... + 16663487467.

It is an arithmetic number, because the mean of its divisors is an integer number (166634874490).

Almost surely, 2^633212523043 is an apocalyptic number.

633212523043 is a deficient number, since it is larger than the sum of its proper divisors (33326974917).

633212523043 is a wasteful number, since it uses less digits than its factorization.

633212523043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33326974916.

The product of its (nonzero) digits is 77760, while the sum is 34.

Adding to 633212523043 its reverse (340325212336), we get a palindrome (973537735379).

The spelling of 633212523043 in words is "six hundred thirty-three billion, two hundred twelve million, five hundred twenty-three thousand, forty-three".