23421571662 has 16 divisors (see below), whose sum is σ = 49308572160. Its totient is φ = 7396285752.

The previous prime is 23421571637. The next prime is 23421571717. The reversal of 23421571662 is 26617512432.

It is a self number, because there is not a number n which added to its sum of digits gives 23421571662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102726078 + ... + 102726305.

It is an arithmetic number, because the mean of its divisors is an integer number (3081785760).

Almost surely, 2^23421571662 is an apocalyptic number.

23421571662 is an abundant number, since it is smaller than the sum of its proper divisors (25887000498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23421571662 is a wasteful number, since it uses less digits than its factorization.

23421571662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205452407.

The product of its digits is 120960, while the sum is 39.

The spelling of 23421571662 in words is "twenty-three billion, four hundred twenty-one million, five hundred seventy-one thousand, six hundred sixty-two".