631742356223 has 8 divisors (see below), whose sum is σ = 692057053440. Its totient is φ = 571908254680.

The previous prime is 631742356211. The next prime is 631742356261. The reversal of 631742356223 is 322653247136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 631742356223 - 2⁸ = 631742355967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631742356523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120146165 + ... + 120151422.

It is an arithmetic number, because the mean of its divisors is an integer number (86507131680).

Almost surely, 2^631742356223 is an apocalyptic number.

631742356223 is a deficient number, since it is larger than the sum of its proper divisors (60314697217).

631742356223 is a wasteful number, since it uses less digits than its factorization.

631742356223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240297837.

The product of its digits is 1088640, while the sum is 44.

The spelling of 631742356223 in words is "six hundred thirty-one billion, seven hundred forty-two million, three hundred fifty-six thousand, two hundred twenty-three".