23541137 has 4 divisors (see below), whose sum is σ = 23550900. Its totient is φ = 23531376.

The previous prime is 23541109. The next prime is 23541143. The reversal of 23541137 is 73114532.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2298256 + 21242881 = 1516^2 + 4609^2 .

It is a cyclic number.

It is not a de Polignac number, because 23541137 - 2¹⁰ = 23540113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23540137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643 + ... + 7055.

It is an arithmetic number, because the mean of its divisors is an integer number (5887725).

Almost surely, 2^23541137 is an apocalyptic number.

It is an amenable number.

23541137 is a deficient number, since it is larger than the sum of its proper divisors (9763).

23541137 is an equidigital number, since it uses as much as digits as its factorization.

23541137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9762.

The product of its digits is 2520, while the sum is 26.

The square root of 23541137 is about 4851.9209597849. The cubic root of 23541137 is about 286.5997528757.

Adding to 23541137 its reverse (73114532), we get a palindrome (96655669).

The spelling of 23541137 in words is "twenty-three million, five hundred forty-one thousand, one hundred thirty-seven".