420410232023987 has 4 divisors (see below), whose sum is σ = 431772670727376. Its totient is φ = 409047793320600.

The previous prime is 420410232023953. The next prime is 420410232024017. The reversal of 420410232023987 is 789320232014024.

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 420410232023987 - 2⁶ = 420410232023923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420410232029987) 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, 5681219351639 + ... + 5681219351712.

It is an arithmetic number, because the mean of its divisors is an integer number (107943167681844).

Almost surely, 2^{420410232023987} is an apocalyptic number.

420410232023987 is a deficient number, since it is larger than the sum of its proper divisors (11362438703389).

420410232023987 is a wasteful number, since it uses less digits than its factorization.

420410232023987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11362438703388.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 420410232023987 in words is "four hundred twenty trillion, four hundred ten billion, two hundred thirty-two million, twenty-three thousand, nine hundred eighty-seven".