23432331511553 has 32 divisors (see below), whose sum is σ = 24878286904320. Its totient is φ = 22031321518080.

The previous prime is 23432331511531. The next prime is 23432331511571. The reversal of 23432331511553 is 35511513323432.

It is a cyclic number.

It is not a de Polignac number, because 23432331511553 - 2⁶ = 23432331511489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23432331511553.

It is not an unprimeable number, because it can be changed into a prime (23432331511573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3688385225 + ... + 3688391577.

It is an arithmetic number, because the mean of its divisors is an integer number (777446465760).

Almost surely, 2^{23432331511553} is an apocalyptic number.

It is an amenable number.

23432331511553 is a deficient number, since it is larger than the sum of its proper divisors (1445955392767).

23432331511553 is a wasteful number, since it uses less digits than its factorization.

23432331511553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10617.

The product of its digits is 486000, while the sum is 41.

Adding to 23432331511553 its reverse (35511513323432), we get a palindrome (58943844834985).

The spelling of 23432331511553 in words is "twenty-three trillion, four hundred thirty-two billion, three hundred thirty-one million, five hundred eleven thousand, five hundred fifty-three".