23315016 has 32 divisors (see below), whose sum is σ = 58458240. Its totient is φ = 7748928.

The previous prime is 23315011. The next prime is 23315021. The reversal of 23315016 is 61051332.

It is an interprime number because it is at equal distance from previous prime (23315011) and next prime (23315021).

It is a junction number, because it is equal to n+sod(n) for n = 23314983 and 23315001.

It is not an unprimeable number, because it can be changed into a prime (23315011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8305 + ... + 10751.

It is an arithmetic number, because the mean of its divisors is an integer number (1826820).

Almost surely, 2^23315016 is an apocalyptic number.

It is an amenable number.

23315016 is an abundant number, since it is smaller than the sum of its proper divisors (35143224).

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

23315016 is a wasteful number, since it uses less digits than its factorization.

23315016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853 (or 2849 counting only the distinct ones).

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

The square root of 23315016 is about 4828.5625190112. The cubic root of 23315016 is about 285.6791681600.

Adding to 23315016 its reverse (61051332), we get a palindrome (84366348).

The spelling of 23315016 in words is "twenty-three million, three hundred fifteen thousand, sixteen".