23135333431143 has 16 divisors (see below), whose sum is σ = 31155069943296. Its totient is φ = 15269657733600.

The previous prime is 23135333431121. The next prime is 23135333431159. The reversal of 23135333431143 is 34113433353132.

It is not a de Polignac number, because 23135333431143 - 2¹² = 23135333427047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23135333431643) 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, 9044883 + ... + 11317268.

It is an arithmetic number, because the mean of its divisors is an integer number (1947191871456).

Almost surely, 2^{23135333431143} is an apocalyptic number.

23135333431143 is a deficient number, since it is larger than the sum of its proper divisors (8019736512153).

23135333431143 is a wasteful number, since it uses less digits than its factorization.

23135333431143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20365934.

The product of its digits is 349920, while the sum is 39.

Adding to 23135333431143 its reverse (34113433353132), we get a palindrome (57248766784275).

The spelling of 23135333431143 in words is "twenty-three trillion, one hundred thirty-five billion, three hundred thirty-three million, four hundred thirty-one thousand, one hundred forty-three".