420404201034323 has 8 divisors (see below), whose sum is σ = 463163584219056. Its totient is φ = 378401621092000.

The previous prime is 420404201034287. The next prime is 420404201034361. The reversal of 420404201034323 is 323430102404024.

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

It is not a de Polignac number, because 420404201034323 - 2²⁴ = 420404184257107 is a prime.

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 420404201034323.

It is not an unprimeable number, because it can be changed into a prime (420404201634323) 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, 189200809436 + ... + 189200811657.

It is an arithmetic number, because the mean of its divisors is an integer number (57895448027382).

Almost surely, 2^{420404201034323} is an apocalyptic number.

420404201034323 is a deficient number, since it is larger than the sum of its proper divisors (42759383184733).

420404201034323 is a wasteful number, since it uses less digits than its factorization.

420404201034323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378401621205.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 420404201034323 its reverse (323430102404024), we get a palindrome (743834303438347).

The spelling of 420404201034323 in words is "four hundred twenty trillion, four hundred four billion, two hundred one million, thirty-four thousand, three hundred twenty-three".