423861870705 has 64 divisors (see below), whose sum is σ = 836342599680. Its totient is φ = 178504517376.

The previous prime is 423861870673. The next prime is 423861870737. The reversal of 423861870705 is 507078168324.

It is an interprime number because it is at equal distance from previous prime (423861870673) and next prime (423861870737).

It is not a de Polignac number, because 423861870705 - 2⁵ = 423861870673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 377926 + ... + 995264.

It is an arithmetic number, because the mean of its divisors is an integer number (13067853120).

Almost surely, 2^423861870705 is an apocalyptic number.

It is an amenable number.

423861870705 is a deficient number, since it is larger than the sum of its proper divisors (412480728975).

423861870705 is a wasteful number, since it uses less digits than its factorization.

423861870705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617870.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 423861870705 in words is "four hundred twenty-three billion, eight hundred sixty-one million, eight hundred seventy thousand, seven hundred five".