23343115150021 has 4 divisors (see below), whose sum is σ = 23343832703692. Its totient is φ = 23342397596352.

The previous prime is 23343115149941. The next prime is 23343115150031. The reversal of 23343115150021 is 12005151134332.

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 16071166960996 + 7271948189025 = 4008886^2 + 2696655^2 .

It is a cyclic number.

It is not a de Polignac number, because 23343115150021 - 2²¹ = 23343113052869 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 (23343115150031) 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, 358728036 + ... + 358793101.

It is an arithmetic number, because the mean of its divisors is an integer number (5835958175923).

Almost surely, 2^{23343115150021} is an apocalyptic number.

It is an amenable number.

23343115150021 is a deficient number, since it is larger than the sum of its proper divisors (717553671).

23343115150021 is an equidigital number, since it uses as much as digits as its factorization.

23343115150021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717553670.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 23343115150021 its reverse (12005151134332), we get a palindrome (35348266284353).

The spelling of 23343115150021 in words is "twenty-three trillion, three hundred forty-three billion, one hundred fifteen million, one hundred fifty thousand, twenty-one".