23115306 has 16 divisors (see below), whose sum is σ = 47480544. Its totient is φ = 7496784.

The previous prime is 23115271. The next prime is 23115319. The reversal of 23115306 is 60351132.

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 7 ways as a sum of consecutive naturals, for example, 51840 + ... + 52283.

It is an arithmetic number, because the mean of its divisors is an integer number (2967534).

Almost surely, 2^23115306 is an apocalyptic number.

23115306 is an abundant number, since it is smaller than the sum of its proper divisors (24365238).

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

23115306 is a wasteful number, since it uses less digits than its factorization.

23115306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104165.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 23115306 is about 4807.8379756394. The cubic root of 23115306 is about 284.8611450402.

Adding to 23115306 its reverse (60351132), we get a palindrome (83466438).

The spelling of 23115306 in words is "twenty-three million, one hundred fifteen thousand, three hundred six".