420132423 has 8 divisors (see below), whose sum is σ = 561092848. Its totient is φ = 279630144.

The previous prime is 420132409. The next prime is 420132499. The reversal of 420132423 is 324231024.

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

It is not a de Polignac number, because 420132423 - 2⁶ = 420132359 is a prime.

It is a super-2 number, since 2×420132423² = 353022505711701858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420132423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420132623) 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, 112390 + ... + 116067.

It is an arithmetic number, because the mean of its divisors is an integer number (70136606).

Almost surely, 2^420132423 is an apocalyptic number.

420132423 is a deficient number, since it is larger than the sum of its proper divisors (140960425).

420132423 is a wasteful number, since it uses less digits than its factorization.

420132423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229073.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 420132423 is about 20497.1320676821. The cubic root of 420132423 is about 748.9659367172.

Adding to 420132423 its reverse (324231024), we get a palindrome (744363447).

The spelling of 420132423 in words is "four hundred twenty million, one hundred thirty-two thousand, four hundred twenty-three".