23140140043441 has 4 divisors (see below), whose sum is σ = 24146233088832. Its totient is φ = 22134046998052.

The previous prime is 23140140043403. The next prime is 23140140043457. The reversal of 23140140043441 is 14434004104132.

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 23140140043441 - 2¹⁹ = 23140139519153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23140140049441) 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, 503046522661 + ... + 503046522706.

It is an arithmetic number, because the mean of its divisors is an integer number (6036558272208).

Almost surely, 2^{23140140043441} is an apocalyptic number.

It is an amenable number.

23140140043441 is a deficient number, since it is larger than the sum of its proper divisors (1006093045391).

23140140043441 is a wasteful number, since it uses less digits than its factorization.

23140140043441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006093045390.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 23140140043441 its reverse (14434004104132), we get a palindrome (37574144147573).

The spelling of 23140140043441 in words is "twenty-three trillion, one hundred forty billion, one hundred forty million, forty-three thousand, four hundred forty-one".