23432155555 has 16 divisors (see below), whose sum is σ = 30040289280. Its totient is φ = 17494041312.

The previous prime is 23432155543. The next prime is 23432155559. The reversal of 23432155555 is 55555123432.

It is a cyclic number.

It is not a de Polignac number, because 23432155555 - 2¹³ = 23432147363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23432155559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1834339 + ... + 1847068.

It is an arithmetic number, because the mean of its divisors is an integer number (1877518080).

Almost surely, 2^23432155555 is an apocalyptic number.

23432155555 is a deficient number, since it is larger than the sum of its proper divisors (6608133725).

23432155555 is a wasteful number, since it uses less digits than its factorization.

23432155555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681498.

The product of its digits is 450000, while the sum is 40.

Adding to 23432155555 its reverse (55555123432), we get a palindrome (78987278987).

The spelling of 23432155555 in words is "twenty-three billion, four hundred thirty-two million, one hundred fifty-five thousand, five hundred fifty-five".