23515243603 has 2 divisors, whose sum is σ = 23515243604. Its totient is φ = 23515243602.

The previous prime is 23515243597. The next prime is 23515243639. The reversal of 23515243603 is 30634251532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23515243603 - 2⁵ = 23515243571 is a prime.

It is not a weakly prime, because it can be changed into another prime (23515244603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11757621801 + 11757621802.

It is an arithmetic number, because the mean of its divisors is an integer number (11757621802).

Almost surely, 2^23515243603 is an apocalyptic number.

23515243603 is a deficient number, since it is larger than the sum of its proper divisors (1).

23515243603 is an equidigital number, since it uses as much as digits as its factorization.

23515243603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 23515243603 in words is "twenty-three billion, five hundred fifteen million, two hundred forty-three thousand, six hundred three".