420412313023 has 4 divisors (see below), whose sum is σ = 420429419928. Its totient is φ = 420395206120.

The previous prime is 420412312949. The next prime is 420412313047. The reversal of 420412313023 is 320313214024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420412313023 - 2²¹ = 420410215871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420412313323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8516536 + ... + 8565757.

It is an arithmetic number, because the mean of its divisors is an integer number (105107354982).

Almost surely, 2^420412313023 is an apocalyptic number.

420412313023 is a deficient number, since it is larger than the sum of its proper divisors (17106905).

420412313023 is a wasteful number, since it uses less digits than its factorization.

420412313023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17106904.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 420412313023 its reverse (320313214024), we get a palindrome (740725527047).

The spelling of 420412313023 in words is "four hundred twenty billion, four hundred twelve million, three hundred thirteen thousand, twenty-three".