633213465123 has 4 divisors (see below), whose sum is σ = 844284620168. Its totient is φ = 422142310080.

The previous prime is 633213465121. The next prime is 633213465173. The reversal of 633213465123 is 321564312336.

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

It is not a de Polignac number, because 633213465123 - 2¹ = 633213465121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (633213465121) 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, 105535577518 + ... + 105535577523.

It is an arithmetic number, because the mean of its divisors is an integer number (211071155042).

Almost surely, 2^633213465123 is an apocalyptic number.

633213465123 is a deficient number, since it is larger than the sum of its proper divisors (211071155045).

633213465123 is a wasteful number, since it uses less digits than its factorization.

633213465123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211071155044.

The product of its digits is 233280, while the sum is 39.

Adding to 633213465123 its reverse (321564312336), we get a palindrome (954777777459).

The spelling of 633213465123 in words is "six hundred thirty-three billion, two hundred thirteen million, four hundred sixty-five thousand, one hundred twenty-three".