123130441 has 4 divisors (see below), whose sum is σ = 140720512. Its totient is φ = 105540372.

The previous prime is 123130379. The next prime is 123130451. The reversal of 123130441 is 144031321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 123130441 - 2¹³ = 123122249 is a prime.

It is a super-2 number, since 2×123130441² = 30322211001708962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123130451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8795025 + ... + 8795038.

It is an arithmetic number, because the mean of its divisors is an integer number (35180128).

Almost surely, 2^123130441 is an apocalyptic number.

It is an amenable number.

123130441 is a deficient number, since it is larger than the sum of its proper divisors (17590071).

123130441 is an equidigital number, since it uses as much as digits as its factorization.

123130441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17590070.

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

The square root of 123130441 is about 11096.4156825526. The cubic root of 123130441 is about 497.4947228046.

Adding to 123130441 its reverse (144031321), we get a palindrome (267161762).

The spelling of 123130441 in words is "one hundred twenty-three million, one hundred thirty thousand, four hundred forty-one".