123441031 has 4 divisors (see below), whose sum is σ = 141075472. Its totient is φ = 105806592.

The previous prime is 123441013. The next prime is 123441053. The reversal of 123441031 is 130144321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123441031 - 2²³ = 115052423 is a prime.

It is a super-2 number, since 2×123441031² = 30475376268685922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123441091) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8817210 + ... + 8817223.

It is an arithmetic number, because the mean of its divisors is an integer number (35268868).

Almost surely, 2^123441031 is an apocalyptic number.

123441031 is a deficient number, since it is larger than the sum of its proper divisors (17634441).

123441031 is an equidigital number, since it uses as much as digits as its factorization.

123441031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17634440.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 123441031 is about 11110.4019279232. The cubic root of 123441031 is about 497.9126729238.

Adding to 123441031 its reverse (130144321), we get a palindrome (253585352).

The spelling of 123441031 in words is "one hundred twenty-three million, four hundred forty-one thousand, thirty-one".