23135973 has 16 divisors (see below), whose sum is σ = 35366016. Its totient is φ = 13178880.

The previous prime is 23135947. The next prime is 23135993. The reversal of 23135973 is 37953132.

It is not a de Polignac number, because 23135973 - 2¹⁰ = 23134949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23135933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5853 + ... + 8973.

It is an arithmetic number, because the mean of its divisors is an integer number (2210376).

Almost surely, 2^23135973 is an apocalyptic number.

It is an amenable number.

23135973 is a deficient number, since it is larger than the sum of its proper divisors (12230043).

23135973 is a wasteful number, since it uses less digits than its factorization.

23135973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484.

The product of its digits is 17010, while the sum is 33.

The square root of 23135973 is about 4809.9867983187. The cubic root of 23135973 is about 284.9460162449.

The spelling of 23135973 in words is "twenty-three million, one hundred thirty-five thousand, nine hundred seventy-three".