23311021313432 has 8 divisors (see below), whose sum is σ = 43708164962700. Its totient is φ = 11655510656712.

The previous prime is 23311021313429. The next prime is 23311021313441. The reversal of 23311021313432 is 23431312011332.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 23311021313395 and 23311021313404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1456938832082 + ... + 1456938832097.

Almost surely, 2^{23311021313432} is an apocalyptic number.

It is an amenable number.

23311021313432 is a deficient number, since it is larger than the sum of its proper divisors (20397143649268).

23311021313432 is a wasteful number, since it uses less digits than its factorization.

23311021313432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913877664185 (or 2913877664181 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 23311021313432 its reverse (23431312011332), we get a palindrome (46742333324764).

The spelling of 23311021313432 in words is "twenty-three trillion, three hundred eleven billion, twenty-one million, three hundred thirteen thousand, four hundred thirty-two".