123523523 has 2 divisors, whose sum is σ = 123523524. Its totient is φ = 123523522.

The previous prime is 123523511. The next prime is 123523537. The reversal of 123523523 is 325325321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123523523 - 2⁴ = 123523507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123523492 and 123523501.

It is not a weakly prime, because it can be changed into another prime (123526523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61761761 + 61761762.

It is an arithmetic number, because the mean of its divisors is an integer number (61761762).

Almost surely, 2^123523523 is an apocalyptic number.

123523523 is a deficient number, since it is larger than the sum of its proper divisors (1).

123523523 is an equidigital number, since it uses as much as digits as its factorization.

123523523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 26.

The square root of 123523523 is about 11114.1136848603. The cubic root of 123523523 is about 498.0235616772.

Adding to 123523523 its reverse (325325321), we get a palindrome (448848844).

The spelling of 123523523 in words is "one hundred twenty-three million, five hundred twenty-three thousand, five hundred twenty-three".