23507413 has 8 divisors (see below), whose sum is σ = 25037208. Its totient is φ = 21993984.

The previous prime is 23507411. The next prime is 23507417. The reversal of 23507413 is 31470532.

It can be written as a sum of positive squares in 4 ways, for example, as 6185169 + 17322244 = 2487^2 + 4162^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23507413 - 2¹ = 23507411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23507411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056 + ... + 6937.

It is an arithmetic number, because the mean of its divisors is an integer number (3129651).

Almost surely, 2^23507413 is an apocalyptic number.

It is an amenable number.

23507413 is a deficient number, since it is larger than the sum of its proper divisors (1529795).

23507413 is a wasteful number, since it uses less digits than its factorization.

23507413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8183.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 23507413 is about 4848.4443896986. Note that the first 3 decimals coincide. The cubic root of 23507413 is about 286.4628307281.

Adding to 23507413 its reverse (31470532), we get a palindrome (54977945).

The spelling of 23507413 in words is "twenty-three million, five hundred seven thousand, four hundred thirteen".