23660051 has 4 divisors (see below), whose sum is σ = 23763600. Its totient is φ = 23556504.

The previous prime is 23660033. The next prime is 23660069. The reversal of 23660051 is 15006632.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (23660033) and next prime (23660069).

It is a cyclic number.

It is not a de Polignac number, because 23660051 - 2¹⁴ = 23643667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23659999 and 23660026.

It is not an unprimeable number, because it can be changed into a prime (23660011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51431 + ... + 51888.

It is an arithmetic number, because the mean of its divisors is an integer number (5940900).

Almost surely, 2^23660051 is an apocalyptic number.

23660051 is a deficient number, since it is larger than the sum of its proper divisors (103549).

23660051 is a wasteful number, since it uses less digits than its factorization.

23660051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103548.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 23660051 is about 4864.1598452354. The cubic root of 23660051 is about 287.0815123762.

Adding to 23660051 its reverse (15006632), we get a palindrome (38666683).

The spelling of 23660051 in words is "twenty-three million, six hundred sixty thousand, fifty-one".