123631343 has 8 divisors (see below), whose sum is σ = 135250560. Its totient is φ = 112075480.

The previous prime is 123631307. The next prime is 123631349. The reversal of 123631343 is 343136321.

It is a happy number.

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

It is not a de Polignac number, because 123631343 - 2¹⁰ = 123630319 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 (123631349) 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, 11705 + ... + 19602.

It is an arithmetic number, because the mean of its divisors is an integer number (16906320).

Almost surely, 2^123631343 is an apocalyptic number.

123631343 is a deficient number, since it is larger than the sum of its proper divisors (11619217).

123631343 is a wasteful number, since it uses less digits than its factorization.

123631343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31677.

The product of its digits is 3888, while the sum is 26.

The square root of 123631343 is about 11118.9632160557. The cubic root of 123631343 is about 498.1684228427.

Adding to 123631343 its reverse (343136321), we get a palindrome (466767664).

The spelling of 123631343 in words is "one hundred twenty-three million, six hundred thirty-one thousand, three hundred forty-three".