23115651133 has 16 divisors (see below), whose sum is σ = 23818244400. Its totient is φ = 22423564800.

The previous prime is 23115651103. The next prime is 23115651253. The reversal of 23115651133 is 33115651132.

It can be written as a sum of positive squares in 8 ways, for example, as 11173969849 + 11941681284 = 105707^2 + 109278^2 .

It is a cyclic number.

It is not a de Polignac number, because 23115651133 - 2¹³ = 23115642941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23115651095 and 23115651104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23115651103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4435033 + ... + 4440241.

It is an arithmetic number, because the mean of its divisors is an integer number (1488640275).

Almost surely, 2^23115651133 is an apocalyptic number.

It is an amenable number.

23115651133 is a deficient number, since it is larger than the sum of its proper divisors (702593267).

23115651133 is a wasteful number, since it uses less digits than its factorization.

23115651133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6192.

The product of its digits is 8100, while the sum is 31.

Subtracting 23115651133 from its reverse (33115651132), we obtain a palindrome (9999999999).

The spelling of 23115651133 in words is "twenty-three billion, one hundred fifteen million, six hundred fifty-one thousand, one hundred thirty-three".