23044040232021 has 6 divisors (see below), whose sum is σ = 33285835890710. Its totient is φ = 15362693488008.

The previous prime is 23044040232019. The next prime is 23044040232029. The reversal of 23044040232021 is 12023204044032.

23044040232021 is a `hidden beast` number, since 2 + 3 + 0 + 4 + 404 + 0 + 232 + 0 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22791925779921 + 252114452100 = 4774089^2 + 502110^2 .

It is not a de Polignac number, because 23044040232021 - 2¹ = 23044040232019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23044040232029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1280224457326 + ... + 1280224457343.

Almost surely, 2^{23044040232021} is an apocalyptic number.

It is an amenable number.

23044040232021 is a deficient number, since it is larger than the sum of its proper divisors (10241795658689).

23044040232021 is a wasteful number, since it uses less digits than its factorization.

23044040232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560448914675 (or 2560448914672 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 23044040232021 its reverse (12023204044032), we get a palindrome (35067244276053).

The spelling of 23044040232021 in words is "twenty-three trillion, forty-four billion, forty million, two hundred thirty-two thousand, twenty-one".