23217150 has 48 divisors (see below), whose sum is σ = 62817408. Its totient is φ = 5628000.

The previous prime is 23217133. The next prime is 23217151. The reversal of 23217150 is 5171232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23217151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5386 + ... + 8685.

It is an arithmetic number, because the mean of its divisors is an integer number (1308696).

Almost surely, 2^23217150 is an apocalyptic number.

23217150 is an abundant number, since it is smaller than the sum of its proper divisors (39600258).

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

23217150 is a wasteful number, since it uses less digits than its factorization.

23217150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14097 (or 14092 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 23217150 is about 4818.4177901050. The cubic root of 23217150 is about 285.2788898197.

Adding to 23217150 its reverse (5171232), we get a palindrome (28388382).

It can be divided in two parts, 232171 and 50, that added together give a triangular number (232221 = T₆₈₁).

The spelling of 23217150 in words is "twenty-three million, two hundred seventeen thousand, one hundred fifty".