23136665135 has 16 divisors (see below), whose sum is σ = 27941760000. Its totient is φ = 18390916896.

The previous prime is 23136665107. The next prime is 23136665171. The reversal of 23136665135 is 53156663132.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23136665135 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23136665092 and 23136665101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2917706 + ... + 2925624.

It is an arithmetic number, because the mean of its divisors is an integer number (1746360000).

Almost surely, 2^23136665135 is an apocalyptic number.

23136665135 is a deficient number, since it is larger than the sum of its proper divisors (4805094865).

23136665135 is a wasteful number, since it uses less digits than its factorization.

23136665135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11590.

The product of its digits is 291600, while the sum is 41.

The spelling of 23136665135 in words is "twenty-three billion, one hundred thirty-six million, six hundred sixty-five thousand, one hundred thirty-five".