23436506 has 8 divisors (see below), whose sum is σ = 37222740. Its totient is φ = 11028928.

The previous prime is 23436493. The next prime is 23436509. The reversal of 23436506 is 60563432.

It can be written as a sum of positive squares in 2 ways, for example, as 23435281 + 1225 = 4841^2 + 35^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (23436509) 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, 344621 + ... + 344688.

Almost surely, 2^23436506 is an apocalyptic number.

23436506 is a deficient number, since it is larger than the sum of its proper divisors (13786234).

23436506 is a wasteful number, since it uses less digits than its factorization.

23436506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689328.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 23436506 is about 4841.1265217922. The cubic root of 23436506 is about 286.1745149066.

Adding to 23436506 its reverse (60563432), we get a palindrome (83999938).

The spelling of 23436506 in words is "twenty-three million, four hundred thirty-six thousand, five hundred six".