23136630 has 32 divisors (see below), whose sum is σ = 60576768. Its totient is φ = 5608800.

The previous prime is 23136613. The next prime is 23136649. The reversal of 23136630 is 3663132.

It is a self number, because there is not a number n which added to its sum of digits gives 23136630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34726 + ... + 35385.

It is an arithmetic number, because the mean of its divisors is an integer number (1893024).

Almost surely, 2^23136630 is an apocalyptic number.

23136630 is an abundant number, since it is smaller than the sum of its proper divisors (37440138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23136630 is a wasteful number, since it uses less digits than its factorization.

23136630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70132.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 23136630 is about 4810.0550932396. The cubic root of 23136630 is about 284.9487134553.

Adding to 23136630 its reverse (3663132), we get a palindrome (26799762).

The spelling of 23136630 in words is "twenty-three million, one hundred thirty-six thousand, six hundred thirty".