123044631 has 8 divisors (see below), whose sum is σ = 164144640. Its totient is φ = 81987192.

The previous prime is 123044617. The next prime is 123044653. The reversal of 123044631 is 136440321.

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

It is not a de Polignac number, because 123044631 - 2²¹ = 120947479 is a prime.

It is a super-2 number, since 2×123044631² = 30279962435852322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123044671) 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, 3141 + ... + 15998.

It is an arithmetic number, because the mean of its divisors is an integer number (20518080).

Almost surely, 2^123044631 is an apocalyptic number.

123044631 is a deficient number, since it is larger than the sum of its proper divisors (41100009).

123044631 is a wasteful number, since it uses less digits than its factorization.

123044631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21285.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 123044631 is about 11092.5484447894. The cubic root of 123044631 is about 497.3791273905.

Adding to 123044631 its reverse (136440321), we get a palindrome (259484952).

The spelling of 123044631 in words is "one hundred twenty-three million, forty-four thousand, six hundred thirty-one".