23421844458 has 48 divisors (see below), whose sum is σ = 51306145800. Its totient is φ = 7721422848.

The previous prime is 23421844427. The next prime is 23421844477. The reversal of 23421844458 is 85444812432.

23421844458 is a `hidden beast` number, since 23 + 4 + 2 + 184 + 445 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 22195934289 + 1225910169 = 148983^2 + 35013^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3098868 + ... + 3106416.

Almost surely, 2^23421844458 is an apocalyptic number.

23421844458 is an abundant number, since it is smaller than the sum of its proper divisors (27884301342).

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

23421844458 is a wasteful number, since it uses less digits than its factorization.

23421844458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9431 (or 9428 counting only the distinct ones).

The product of its digits is 983040, while the sum is 45.

The spelling of 23421844458 in words is "twenty-three billion, four hundred twenty-one million, eight hundred forty-four thousand, four hundred fifty-eight".