10138523 has 2 divisors, whose sum is σ = 10138524. Its totient is φ = 10138522.

The previous prime is 10138489. The next prime is 10138547. The reversal of 10138523 is 32583101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10138523 - 2¹⁰ = 10137499 is a prime.

It is not a weakly prime, because it can be changed into another prime (10138573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5069261 + 5069262.

It is an arithmetic number, because the mean of its divisors is an integer number (5069262).

Almost surely, 2^10138523 is an apocalyptic number.

10138523 is a deficient number, since it is larger than the sum of its proper divisors (1).

10138523 is an equidigital number, since it uses as much as digits as its factorization.

10138523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 10138523 is about 3184.1047407395. The cubic root of 10138523 is about 216.4337064813.

The spelling of 10138523 in words is "ten million, one hundred thirty-eight thousand, five hundred twenty-three".