23516315415407 has 2 divisors, whose sum is σ = 23516315415408. Its totient is φ = 23516315415406.

The previous prime is 23516315415361. The next prime is 23516315415421. The reversal of 23516315415407 is 70451451361532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23516315415407 - 2⁶ = 23516315415343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23516315415457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11758157707703 + 11758157707704.

It is an arithmetic number, because the mean of its divisors is an integer number (11758157707704).

Almost surely, 2^{23516315415407} is an apocalyptic number.

23516315415407 is a deficient number, since it is larger than the sum of its proper divisors (1).

23516315415407 is an equidigital number, since it uses as much as digits as its factorization.

23516315415407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512000, while the sum is 47.

Adding to 23516315415407 its reverse (70451451361532), we get a palindrome (93967766776939).

The spelling of 23516315415407 in words is "twenty-three trillion, five hundred sixteen billion, three hundred fifteen million, four hundred fifteen thousand, four hundred seven".