421450052023 has 32 divisors (see below), whose sum is σ = 565918617600. Its totient is φ = 303111106560.

The previous prime is 421450052017. The next prime is 421450052033. The reversal of 421450052023 is 320250054124.

It is a cyclic number.

It is not a de Polignac number, because 421450052023 - 2¹³ = 421450043831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421450051982 and 421450052000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421450052003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18055386 + ... + 18078712.

It is an arithmetic number, because the mean of its divisors is an integer number (17684956800).

Almost surely, 2^421450052023 is an apocalyptic number.

421450052023 is a deficient number, since it is larger than the sum of its proper divisors (144468565577).

421450052023 is a wasteful number, since it uses less digits than its factorization.

421450052023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41407.

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 421450052023 in words is "four hundred twenty-one billion, four hundred fifty million, fifty-two thousand, twenty-three".