103012523 has 2 divisors, whose sum is σ = 103012524. Its totient is φ = 103012522.

The previous prime is 103012519. The next prime is 103012543. The reversal of 103012523 is 325210301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103012523 - 2² = 103012519 is a prime.

It is a super-2 number, since 2×103012523² = 21223159789651058, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (103012543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51506261 + 51506262.

It is an arithmetic number, because the mean of its divisors is an integer number (51506262).

Almost surely, 2^103012523 is an apocalyptic number.

103012523 is a deficient number, since it is larger than the sum of its proper divisors (1).

103012523 is an equidigital number, since it uses as much as digits as its factorization.

103012523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 103012523 is about 10149.5085102679. The cubic root of 103012523 is about 468.7738114600.

Adding to 103012523 its reverse (325210301), we get a palindrome (428222824).

The spelling of 103012523 in words is "one hundred three million, twelve thousand, five hundred twenty-three".