123441011 has 4 divisors (see below), whose sum is σ = 123985032. Its totient is φ = 122896992.

The previous prime is 123441007. The next prime is 123441013. The reversal of 123441011 is 110144321.

It is a happy number.

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 123441011 - 2² = 123441007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123441013) 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, 271670 + ... + 272123.

It is an arithmetic number, because the mean of its divisors is an integer number (30996258).

Almost surely, 2^123441011 is an apocalyptic number.

123441011 is a deficient number, since it is larger than the sum of its proper divisors (544021).

123441011 is an equidigital number, since it uses as much as digits as its factorization.

123441011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544020.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 123441011 is about 11110.4010278657. The cubic root of 123441011 is about 497.9126460331.

Adding to 123441011 its reverse (110144321), we get a palindrome (233585332).

The spelling of 123441011 in words is "one hundred twenty-three million, four hundred forty-one thousand, eleven".