103512523 has 2 divisors, whose sum is σ = 103512524. Its totient is φ = 103512522.

The previous prime is 103512517. The next prime is 103512527. The reversal of 103512523 is 325215301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103512523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103512494 and 103512503.

It is not a weakly prime, because it can be changed into another prime (103512527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51756261 + 51756262.

It is an arithmetic number, because the mean of its divisors is an integer number (51756262).

Almost surely, 2^103512523 is an apocalyptic number.

103512523 is a deficient number, since it is larger than the sum of its proper divisors (1).

103512523 is an equidigital number, since it uses as much as digits as its factorization.

103512523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 103512523 is about 10174.1104279441. The cubic root of 103512523 is about 469.5310291182.

Adding to 103512523 its reverse (325215301), we get a palindrome (428727824).

The spelling of 103512523 in words is "one hundred three million, five hundred twelve thousand, five hundred twenty-three".