23081534 has 16 divisors (see below), whose sum is σ = 39738336. Its totient is φ = 9849600.

The previous prime is 23081521. The next prime is 23081543. The reversal of 23081534 is 43518032.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 47 + ... + 6794.

It is an arithmetic number, because the mean of its divisors is an integer number (2483646).

Almost surely, 2^23081534 is an apocalyptic number.

23081534 is a deficient number, since it is larger than the sum of its proper divisors (16656802).

23081534 is a wasteful number, since it uses less digits than its factorization.

23081534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7091.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 23081534 is about 4804.3245102720. The cubic root of 23081534 is about 284.7223478356.

Adding to 23081534 its reverse (43518032), we get a palindrome (66599566).

The spelling of 23081534 in words is "twenty-three million, eighty-one thousand, five hundred thirty-four".