23002534 has 4 divisors (see below), whose sum is σ = 34503804. Its totient is φ = 11501266.

The previous prime is 23002531. The next prime is 23002543. The reversal of 23002534 is 43520032.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002531) 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 as a sum of consecutive naturals, namely, 5750632 + ... + 5750635.

It is an arithmetic number, because the mean of its divisors is an integer number (8625951).

Almost surely, 2^23002534 is an apocalyptic number.

23002534 is a deficient number, since it is larger than the sum of its proper divisors (11501270).

23002534 is a wasteful number, since it uses less digits than its factorization.

23002534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11501269.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 23002534 is about 4796.0957037991. The cubic root of 23002534 is about 284.3971416001.

Adding to 23002534 its reverse (43520032), we get a palindrome (66522566).

The spelling of 23002534 in words is "twenty-three million, two thousand, five hundred thirty-four".