23134513 has 2 divisors, whose sum is σ = 23134514. Its totient is φ = 23134512.

The previous prime is 23134511. The next prime is 23134523. The reversal of 23134513 is 31543132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22733824 + 400689 = 4768^2 + 633^2 .

It is a cyclic number.

It is not a de Polignac number, because 23134513 - 2¹ = 23134511 is a prime.

Together with 23134511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23134511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11567256 + 11567257.

It is an arithmetic number, because the mean of its divisors is an integer number (11567257).

Almost surely, 2^23134513 is an apocalyptic number.

It is an amenable number.

23134513 is a deficient number, since it is larger than the sum of its proper divisors (1).

23134513 is an equidigital number, since it uses as much as digits as its factorization.

23134513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 22.

The square root of 23134513 is about 4809.8350283560. The cubic root of 23134513 is about 284.9400222612.

Adding to 23134513 its reverse (31543132), we get a palindrome (54677645).

The spelling of 23134513 in words is "twenty-three million, one hundred thirty-four thousand, five hundred thirteen".