23135520023 has 32 divisors (see below), whose sum is σ = 29506142208. Its totient is φ = 17618277600.

The previous prime is 23135520011. The next prime is 23135520043. The reversal of 23135520023 is 32002553132.

It is not a de Polignac number, because 23135520023 - 2¹⁰ = 23135518999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23135519974 and 23135520001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23135520043) 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 31 ways as a sum of consecutive naturals, for example, 637538 + ... + 672848.

It is an arithmetic number, because the mean of its divisors is an integer number (922066944).

Almost surely, 2^23135520023 is an apocalyptic number.

23135520023 is a deficient number, since it is larger than the sum of its proper divisors (6370622185).

23135520023 is a wasteful number, since it uses less digits than its factorization.

23135520023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35523.

The product of its (nonzero) digits is 5400, while the sum is 26.

The spelling of 23135520023 in words is "twenty-three billion, one hundred thirty-five million, five hundred twenty thousand, twenty-three".