23216136 has 32 divisors (see below), whose sum is σ = 58344000. Its totient is φ = 7698240.

The previous prime is 23216107. The next prime is 23216143. The reversal of 23216136 is 63161232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2346 + ... + 7206.

It is an arithmetic number, because the mean of its divisors is an integer number (1823250).

Almost surely, 2^23216136 is an apocalyptic number.

It is an amenable number.

23216136 is an abundant number, since it is smaller than the sum of its proper divisors (35127864).

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

23216136 is a wasteful number, since it uses less digits than its factorization.

23216136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5069 (or 5065 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 23216136 is about 4818.3125676942. The cubic root of 23216136 is about 285.2747366110.

Adding to 23216136 its reverse (63161232), we get a palindrome (86377368).

The spelling of 23216136 in words is "twenty-three million, two hundred sixteen thousand, one hundred thirty-six".