23321223014021 has 4 divisors (see below), whose sum is σ = 23321323433772. Its totient is φ = 23321122594272.

The previous prime is 23321223013993. The next prime is 23321223014081. The reversal of 23321223014021 is 12041032212332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9658663249921 + 13662559764100 = 3107839^2 + 3696290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23321223014021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321223014081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49860710 + ... + 50326263.

It is an arithmetic number, because the mean of its divisors is an integer number (5830330858443).

Almost surely, 2^{23321223014021} is an apocalyptic number.

It is an amenable number.

23321223014021 is a deficient number, since it is larger than the sum of its proper divisors (100419751).

23321223014021 is a wasteful number, since it uses less digits than its factorization.

23321223014021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100419750.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 23321223014021 its reverse (12041032212332), we get a palindrome (35362255226353).

The spelling of 23321223014021 in words is "twenty-three trillion, three hundred twenty-one billion, two hundred twenty-three million, fourteen thousand, twenty-one".