123631046 has 16 divisors (see below), whose sum is σ = 231206400. Its totient is φ = 48167880.

The previous prime is 123631037. The next prime is 123631051. The reversal of 123631046 is 640136321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401246 + ... + 401553.

It is an arithmetic number, because the mean of its divisors is an integer number (14450400).

Almost surely, 2^123631046 is an apocalyptic number.

123631046 is a deficient number, since it is larger than the sum of its proper divisors (107575354).

123631046 is a wasteful number, since it uses less digits than its factorization.

123631046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802819.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 123631046 is about 11118.9498604859. The cubic root of 123631046 is about 498.1680239251.

Adding to 123631046 its reverse (640136321), we get a palindrome (763767367).

The spelling of 123631046 in words is "one hundred twenty-three million, six hundred thirty-one thousand, forty-six".