423121153885 has 16 divisors (see below), whose sum is σ = 534580450560. Its totient is φ = 320614320960.

The previous prime is 423121153859. The next prime is 423121153909. The reversal of 423121153885 is 588351121324.

It is not a de Polignac number, because 423121153885 - 2⁵ = 423121153853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5461 + ... + 919930.

It is an arithmetic number, because the mean of its divisors is an integer number (33411278160).

Almost surely, 2^423121153885 is an apocalyptic number.

It is an amenable number.

423121153885 is a deficient number, since it is larger than the sum of its proper divisors (111459296675).

423121153885 is a wasteful number, since it uses less digits than its factorization.

423121153885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930228.

The product of its digits is 230400, while the sum is 43.

The spelling of 423121153885 in words is "four hundred twenty-three billion, one hundred twenty-one million, one hundred fifty-three thousand, eight hundred eighty-five".