123431441 has 24 divisors (see below), whose sum is σ = 154244736. Its totient is φ = 98125440.

The previous prime is 123431431. The next prime is 123431459. The reversal of 123431441 is 144134321.

It is not a de Polignac number, because 123431441 - 2⁶ = 123431377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123431401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58100 + ... + 60186.

It is an arithmetic number, because the mean of its divisors is an integer number (6426864).

Almost surely, 2^123431441 is an apocalyptic number.

It is an amenable number.

123431441 is a deficient number, since it is larger than the sum of its proper divisors (30813295).

123431441 is a wasteful number, since it uses less digits than its factorization.

123431441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189 (or 2182 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 123431441 is about 11109.9703419946. The cubic root of 123431441 is about 497.8997784911.

Adding to 123431441 its reverse (144134321), we get a palindrome (267565762).

The spelling of 123431441 in words is "one hundred twenty-three million, four hundred thirty-one thousand, four hundred forty-one".