23224251313021 has 16 divisors (see below), whose sum is σ = 25806025147968. Its totient is φ = 20722372819200.

The previous prime is 23224251313013. The next prime is 23224251313079. The reversal of 23224251313021 is 12031315242232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23224251313021 - 2³ = 23224251313013 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 (23224251310021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36743820 + ... + 37370533.

It is an arithmetic number, because the mean of its divisors is an integer number (1612876571748).

Almost surely, 2^{23224251313021} is an apocalyptic number.

It is an amenable number.

23224251313021 is a deficient number, since it is larger than the sum of its proper divisors (2581773834947).

23224251313021 is a wasteful number, since it uses less digits than its factorization.

23224251313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74114892.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 23224251313021 its reverse (12031315242232), we get a palindrome (35255566555253).

The spelling of 23224251313021 in words is "twenty-three trillion, two hundred twenty-four billion, two hundred fifty-one million, three hundred thirteen thousand, twenty-one".