420300123 has 8 divisors (see below), whose sum is σ = 570973968. Its totient is φ = 274913184.

The previous prime is 420300119. The next prime is 420300151. The reversal of 420300123 is 321003024.

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

It is not a de Polignac number, because 420300123 - 2² = 420300119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420300193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321540 + ... + 1321857.

It is an arithmetic number, because the mean of its divisors is an integer number (71371746).

Almost surely, 2^420300123 is an apocalyptic number.

420300123 is a deficient number, since it is larger than the sum of its proper divisors (150673845).

420300123 is a wasteful number, since it uses less digits than its factorization.

420300123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643453.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 420300123 is about 20501.2224757452. Note that the first 3 decimals coincide. The cubic root of 420300123 is about 749.0655758410.

Adding to 420300123 its reverse (321003024), we get a palindrome (741303147).

It can be divided in two parts, 4203001 and 23, that added together give a palindrome (4203024).

The spelling of 420300123 in words is "four hundred twenty million, three hundred thousand, one hundred twenty-three".