633231326073 has 4 divisors (see below), whose sum is σ = 844308434768. Its totient is φ = 422154217380.

The previous prime is 633231326053. The next prime is 633231326081. The reversal of 633231326073 is 370623132336.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 633231326073 - 2²¹ = 633229228921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (633231326003) 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, 105538554343 + ... + 105538554348.

It is an arithmetic number, because the mean of its divisors is an integer number (211077108692).

Almost surely, 2^633231326073 is an apocalyptic number.

It is an amenable number.

633231326073 is a deficient number, since it is larger than the sum of its proper divisors (211077108695).

633231326073 is a wasteful number, since it uses less digits than its factorization.

633231326073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211077108694.

The product of its (nonzero) digits is 244944, while the sum is 39.

The spelling of 633231326073 in words is "six hundred thirty-three billion, two hundred thirty-one million, three hundred twenty-six thousand, seventy-three".