421524546664123 has 8 divisors (see below), whose sum is σ = 493492152192480. Its totient is φ = 352494394422720.

The previous prime is 421524546664121. The next prime is 421524546664127. The reversal of 421524546664123 is 321466645425124.

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

It is a cyclic number.

It is not a de Polignac number, because 421524546664123 - 2¹ = 421524546664121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421524546664121) 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, 734363321428 + ... + 734363322001.

It is an arithmetic number, because the mean of its divisors is an integer number (61686519024060).

Almost surely, 2^{421524546664123} is an apocalyptic number.

421524546664123 is a deficient number, since it is larger than the sum of its proper divisors (71967605528357).

421524546664123 is a wasteful number, since it uses less digits than its factorization.

421524546664123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468726643477.

The product of its digits is 33177600, while the sum is 55.

The spelling of 421524546664123 in words is "four hundred twenty-one trillion, five hundred twenty-four billion, five hundred forty-six million, six hundred sixty-four thousand, one hundred twenty-three".