123011441 has 16 divisors (see below), whose sum is σ = 147514368. Its totient is φ = 100353600.

The previous prime is 123011437. The next prime is 123011443. The reversal of 123011441 is 144110321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 123011441 - 2² = 123011437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123011443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8591 + ... + 17883.

It is an arithmetic number, because the mean of its divisors is an integer number (9219648).

Almost surely, 2^123011441 is an apocalyptic number.

It is an amenable number.

123011441 is a deficient number, since it is larger than the sum of its proper divisors (24502927).

123011441 is an equidigital number, since it uses as much as digits as its factorization.

123011441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9392.

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

The square root of 123011441 is about 11091.0522945300. The cubic root of 123011441 is about 497.3344024328.

Adding to 123011441 its reverse (144110321), we get a palindrome (267121762).

The spelling of 123011441 in words is "one hundred twenty-three million, eleven thousand, four hundred forty-one".