23071616 has 16 divisors (see below), whose sum is σ = 45963240. Its totient is φ = 11535744.

The previous prime is 23071613. The next prime is 23071619. The reversal of 23071616 is 61617032.

It is an interprime number because it is at equal distance from previous prime (23071613) and next prime (23071619).

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23071613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89996 + ... + 90251.

Almost surely, 2^23071616 is an apocalyptic number.

It is an amenable number.

23071616 is a deficient number, since it is larger than the sum of its proper divisors (22891624).

23071616 is an equidigital number, since it uses as much as digits as its factorization.

23071616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180261 (or 180249 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 23071616 is about 4803.2922043115. The cubic root of 23071616 is about 284.6815608178.

Adding to 23071616 its reverse (61617032), we get a palindrome (84688648).

The spelling of 23071616 in words is "twenty-three million, seventy-one thousand, six hundred sixteen".