123351441 has 4 divisors (see below), whose sum is σ = 164468592. Its totient is φ = 82234292.

The previous prime is 123351409. The next prime is 123351457. The reversal of 123351441 is 144153321.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 123351441 - 2⁵ = 123351409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123351841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20558571 + ... + 20558576.

It is an arithmetic number, because the mean of its divisors is an integer number (41117148).

Almost surely, 2^123351441 is an apocalyptic number.

It is an amenable number.

123351441 is a deficient number, since it is larger than the sum of its proper divisors (41117151).

123351441 is an equidigital number, since it uses as much as digits as its factorization.

123351441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41117150.

The product of its digits is 1440, while the sum is 24.

The square root of 123351441 is about 11106.3693887787. The cubic root of 123351441 is about 497.7921868043.

The spelling of 123351441 in words is "one hundred twenty-three million, three hundred fifty-one thousand, four hundred forty-one".