23012534433121 has 4 divisors (see below), whose sum is σ = 23012659703572. Its totient is φ = 23012409162672.

The previous prime is 23012534433101. The next prime is 23012534433149. The reversal of 23012534433121 is 12133443521032.

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 4292504410896 + 18720030022225 = 2071836^2 + 4326665^2 .

It is a cyclic number.

It is not a de Polignac number, because 23012534433121 - 2¹⁵ = 23012534400353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23012534433101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62359266 + ... + 62727211.

It is an arithmetic number, because the mean of its divisors is an integer number (5753164925893).

Almost surely, 2^{23012534433121} is an apocalyptic number.

It is an amenable number.

23012534433121 is a deficient number, since it is larger than the sum of its proper divisors (125270451).

23012534433121 is a wasteful number, since it uses less digits than its factorization.

23012534433121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125270450.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 23012534433121 its reverse (12133443521032), we get a palindrome (35145977954153).

The spelling of 23012534433121 in words is "twenty-three trillion, twelve billion, five hundred thirty-four million, four hundred thirty-three thousand, one hundred twenty-one".