420102004023 has 12 divisors (see below), whose sum is σ = 653492006440. Its totient is φ = 258524310096.

The previous prime is 420102003989. The next prime is 420102004061. The reversal of 420102004023 is 320400201024.

420102004023 is a `hidden beast` number, since 420 + 1 + 0 + 200 + 40 + 2 + 3 = 666.

It is not a de Polignac number, because 420102004023 - 2¹⁸ = 420101741879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420102003987 and 420102004005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420102009023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1795307593 + ... + 1795307826.

Almost surely, 2^420102004023 is an apocalyptic number.

420102004023 is a deficient number, since it is larger than the sum of its proper divisors (233390002417).

420102004023 is a wasteful number, since it uses less digits than its factorization.

420102004023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3590615438 (or 3590615435 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 420102004023 its reverse (320400201024), we get a palindrome (740502205047).

The spelling of 420102004023 in words is "four hundred twenty billion, one hundred two million, four thousand, twenty-three".