11523751 has 2 divisors, whose sum is σ = 11523752. Its totient is φ = 11523750.

The previous prime is 11523749. The next prime is 11523763. The reversal of 11523751 is 15732511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11523751 - 2¹ = 11523749 is a prime.

It is a super-2 number, since 2×11523751² = 265593674220002, which contains 22 as substring.

Together with 11523749, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11523731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5761875 + 5761876.

It is an arithmetic number, because the mean of its divisors is an integer number (5761876).

Almost surely, 2^11523751 is an apocalyptic number.

11523751 is a deficient number, since it is larger than the sum of its proper divisors (1).

11523751 is an equidigital number, since it uses as much as digits as its factorization.

11523751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1050, while the sum is 25.

The square root of 11523751 is about 3394.6650792088. The cubic root of 11523751 is about 225.8731569530.

The spelling of 11523751 in words is "eleven million, five hundred twenty-three thousand, seven hundred fifty-one".