12429523 has 2 divisors, whose sum is σ = 12429524. Its totient is φ = 12429522.

The previous prime is 12429511. The next prime is 12429541. The reversal of 12429523 is 32592421.

It is a weak prime.

It is an emirp because it is prime and its reverse (32592421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12429523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12429491 and 12429500.

It is not a weakly prime, because it can be changed into another prime (12429503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6214761 + 6214762.

It is an arithmetic number, because the mean of its divisors is an integer number (6214762).

Almost surely, 2^12429523 is an apocalyptic number.

12429523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12429523 is an equidigital number, since it uses as much as digits as its factorization.

12429523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 12429523 is about 3525.5528644455. The cubic root of 12429523 is about 231.6424523685.

The spelling of 12429523 in words is "twelve million, four hundred twenty-nine thousand, five hundred twenty-three".