423121354513505 has 16 divisors (see below), whose sum is σ = 534480981166080. Its totient is φ = 320674306563072.

The previous prime is 423121354513499. The next prime is 423121354513573. The reversal of 423121354513505 is 505315453121324.

It is a cyclic number.

It is not a de Polignac number, because 423121354513505 - 2²⁸ = 423121086078049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45300224 + ... + 53836353.

It is an arithmetic number, because the mean of its divisors is an integer number (33405061322880).

Almost surely, 2^{423121354513505} is an apocalyptic number.

It is an amenable number.

423121354513505 is a deficient number, since it is larger than the sum of its proper divisors (111359626652575).

423121354513505 is a wasteful number, since it uses less digits than its factorization.

423121354513505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99181528.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 423121354513505 in words is "four hundred twenty-three trillion, one hundred twenty-one billion, three hundred fifty-four million, five hundred thirteen thousand, five hundred five".