23031432504641 has 16 divisors (see below), whose sum is σ = 26447903102400. Its totient is φ = 19835439667200.

The previous prime is 23031432504617. The next prime is 23031432504643. The reversal of 23031432504641 is 14640523413032.

It is a de Polignac number, because none of the positive numbers 2^k-23031432504641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23031432504595 and 23031432504604.

It is not an unprimeable number, because it can be changed into a prime (23031432504643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17534321 + ... + 18802001.

It is an arithmetic number, because the mean of its divisors is an integer number (1652993943900).

Almost surely, 2^{23031432504641} is an apocalyptic number.

It is an amenable number.

23031432504641 is a deficient number, since it is larger than the sum of its proper divisors (3416470597759).

23031432504641 is a wasteful number, since it uses less digits than its factorization.

23031432504641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354640.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 23031432504641 its reverse (14640523413032), we get a palindrome (37671955917673).

The spelling of 23031432504641 in words is "twenty-three trillion, thirty-one billion, four hundred thirty-two million, five hundred four thousand, six hundred forty-one".