23421571604 has 12 divisors (see below), whose sum is σ = 41987451828. Its totient is φ = 11425156800.

The previous prime is 23421571603. The next prime is 23421571633. The reversal of 23421571604 is 40617512432.

It can be written as a sum of positive squares in 2 ways, for example, as 9568752400 + 13852819204 = 97820^2 + 117698^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23421571603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71407067 + ... + 71407394.

It is an arithmetic number, because the mean of its divisors is an integer number (3498954319).

Almost surely, 2^23421571604 is an apocalyptic number.

It is an amenable number.

23421571604 is a deficient number, since it is larger than the sum of its proper divisors (18565880224).

23421571604 is a wasteful number, since it uses less digits than its factorization.

23421571604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142814506 (or 142814504 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 23421571604 in words is "twenty-three billion, four hundred twenty-one million, five hundred seventy-one thousand, six hundred four".