23315311507 has 2 divisors, whose sum is σ = 23315311508. Its totient is φ = 23315311506.

The previous prime is 23315311501. The next prime is 23315311519. The reversal of 23315311507 is 70511351332.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23315311507 - 2¹⁵ = 23315278739 is a prime.

It is a super-2 number, since 2×23315311507² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23315311501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11657655753 + 11657655754.

It is an arithmetic number, because the mean of its divisors is an integer number (11657655754).

Almost surely, 2^23315311507 is an apocalyptic number.

23315311507 is a deficient number, since it is larger than the sum of its proper divisors (1).

23315311507 is an equidigital number, since it uses as much as digits as its factorization.

23315311507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 31.

Adding to 23315311507 its reverse (70511351332), we get a palindrome (93826662839).

The spelling of 23315311507 in words is "twenty-three billion, three hundred fifteen million, three hundred eleven thousand, five hundred seven".