23534516 has 12 divisors (see below), whose sum is σ = 42298788. Its totient is φ = 11449152.

The previous prime is 23534509. The next prime is 23534519. The reversal of 23534516 is 61543532.

It can be written as a sum of positive squares in 2 ways, for example, as 18490000 + 5044516 = 4300^2 + 2246^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23534519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79361 + ... + 79656.

It is an arithmetic number, because the mean of its divisors is an integer number (3524899).

Almost surely, 2^23534516 is an apocalyptic number.

It is an amenable number.

23534516 is a deficient number, since it is larger than the sum of its proper divisors (18764272).

23534516 is a wasteful number, since it uses less digits than its factorization.

23534516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159058 (or 159056 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 23534516 is about 4851.2386047277. The cubic root of 23534516 is about 286.5728814054.

The spelling of 23534516 in words is "twenty-three million, five hundred thirty-four thousand, five hundred sixteen".