23135040534 has 16 divisors (see below), whose sum is σ = 46537540272. Its totient is φ = 7667103648.

The previous prime is 23135040527. The next prime is 23135040583. The reversal of 23135040534 is 43504053132.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11143009 + ... + 11145084.

It is an arithmetic number, because the mean of its divisors is an integer number (2908596267).

Almost surely, 2^23135040534 is an apocalyptic number.

23135040534 is an abundant number, since it is smaller than the sum of its proper divisors (23402499738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23135040534 is a wasteful number, since it uses less digits than its factorization.

23135040534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22288271.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 23135040534 its reverse (43504053132), we get a palindrome (66639093666).

The spelling of 23135040534 in words is "twenty-three billion, one hundred thirty-five million, forty thousand, five hundred thirty-four".