123420441 has 8 divisors (see below), whose sum is σ = 165341344. Its totient is φ = 81889920.

The previous prime is 123420439. The next prime is 123420469. The reversal of 123420441 is 144024321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123420441 - 2¹ = 123420439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123420431) 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 7 ways as a sum of consecutive naturals, for example, 96856 + ... + 98121.

It is an arithmetic number, because the mean of its divisors is an integer number (20667668).

Almost surely, 2^123420441 is an apocalyptic number.

It is an amenable number.

123420441 is a deficient number, since it is larger than the sum of its proper divisors (41920903).

123420441 is a wasteful number, since it uses less digits than its factorization.

123420441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195191.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 123420441 is about 11109.4752801381. The cubic root of 123420441 is about 497.8849873914.

Adding to 123420441 its reverse (144024321), we get a palindrome (267444762).

The spelling of 123420441 in words is "one hundred twenty-three million, four hundred twenty thousand, four hundred forty-one".