23740523 has 2 divisors, whose sum is σ = 23740524. Its totient is φ = 23740522.

The previous prime is 23740487. The next prime is 23740537. The reversal of 23740523 is 32504732.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23740523 - 2¹⁸ = 23478379 is a prime.

It is a super-2 number, since 2×23740523² = 1127224864627058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23740492 and 23740501.

It is not a weakly prime, because it can be changed into another prime (23740723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11870261 + 11870262.

It is an arithmetic number, because the mean of its divisors is an integer number (11870262).

Almost surely, 2^23740523 is an apocalyptic number.

23740523 is a deficient number, since it is larger than the sum of its proper divisors (1).

23740523 is an equidigital number, since it uses as much as digits as its factorization.

23740523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 23740523 is about 4872.4247557043. The cubic root of 23740523 is about 287.4066156694.

The spelling of 23740523 in words is "twenty-three million, seven hundred forty thousand, five hundred twenty-three".