23311020431441 has 4 divisors (see below), whose sum is σ = 23333630539584. Its totient is φ = 23288410323300.

The previous prime is 23311020431357. The next prime is 23311020431453. The reversal of 23311020431441 is 14413402011332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23311020431441 - 2²² = 23311016237137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23311020431471) 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, 11305052525 + ... + 11305054586.

It is an arithmetic number, because the mean of its divisors is an integer number (5833407634896).

Almost surely, 2^{23311020431441} is an apocalyptic number.

It is an amenable number.

23311020431441 is a deficient number, since it is larger than the sum of its proper divisors (22610108143).

23311020431441 is a wasteful number, since it uses less digits than its factorization.

23311020431441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22610108142.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 23311020431441 its reverse (14413402011332), we get a palindrome (37724422442773).

The spelling of 23311020431441 in words is "twenty-three trillion, three hundred eleven billion, twenty million, four hundred thirty-one thousand, four hundred forty-one".