120623421 has 8 divisors (see below), whose sum is σ = 161309824. Its totient is φ = 80176320.

The previous prime is 120623417. The next prime is 120623429. The reversal of 120623421 is 124326021.

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

It is not a de Polignac number, because 120623421 - 2² = 120623417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120623429) 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 7 ways as a sum of consecutive naturals, for example, 58645 + ... + 60666.

It is an arithmetic number, because the mean of its divisors is an integer number (20163728).

Almost surely, 2^120623421 is an apocalyptic number.

It is an amenable number.

120623421 is a deficient number, since it is larger than the sum of its proper divisors (40686403).

120623421 is a wasteful number, since it uses less digits than its factorization.

120623421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119651.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 120623421 is about 10982.8694338046. The cubic root of 120623421 is about 494.0951001708.

Adding to 120623421 its reverse (124326021), we get a palindrome (244949442).

The spelling of 120623421 in words is "one hundred twenty million, six hundred twenty-three thousand, four hundred twenty-one".