420523534025534 has 8 divisors (see below), whose sum is σ = 630820483494960. Its totient is φ = 210250039527216.

The previous prime is 420523534025527. The next prime is 420523534025537. The reversal of 420523534025534 is 435520435325024.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420523534025537) 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, 5863697954 + ... + 5863769669.

It is an arithmetic number, because the mean of its divisors is an integer number (78852560436870).

Almost surely, 2^{420523534025534} is an apocalyptic number.

420523534025534 is a deficient number, since it is larger than the sum of its proper divisors (210296949469426).

420523534025534 is a wasteful number, since it uses less digits than its factorization.

420523534025534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11727485554.

The product of its (nonzero) digits is 8640000, while the sum is 47.

The spelling of 420523534025534 in words is "four hundred twenty trillion, five hundred twenty-three billion, five hundred thirty-four million, twenty-five thousand, five hundred thirty-four".