23512007 has 2 divisors, whose sum is σ = 23512008. Its totient is φ = 23512006.

The previous prime is 23511997. The next prime is 23512009. The reversal of 23512007 is 70021532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23512007 - 2⁸ = 23511751 is a prime.

It is a super-3 number, since 3×23512007³ (a number of 23 digits) contains 333 as substring.

Together with 23512009, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23512007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23512009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11756003 + 11756004.

It is an arithmetic number, because the mean of its divisors is an integer number (11756004).

Almost surely, 2^23512007 is an apocalyptic number.

23512007 is a deficient number, since it is larger than the sum of its proper divisors (1).

23512007 is an equidigital number, since it uses as much as digits as its factorization.

23512007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 23512007 is about 4848.9181267578. The cubic root of 23512007 is about 286.4814904381.

Adding to 23512007 its reverse (70021532), we get a palindrome (93533539).

The spelling of 23512007 in words is "twenty-three million, five hundred twelve thousand, seven".