23150512 has 160 divisors (see below), whose sum is σ = 62853120. Its totient is φ = 7983360.

The previous prime is 23150509. The next prime is 23150539. The reversal of 23150512 is 21505132.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 23150512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 538363 + ... + 538405.

It is an arithmetic number, because the mean of its divisors is an integer number (392832).

Almost surely, 2^23150512 is an apocalyptic number.

23150512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23150512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31426560).

23150512 is an abundant number, since it is smaller than the sum of its proper divisors (39702608).

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

23150512 is a wasteful number, since it uses less digits than its factorization.

23150512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 23150512 is about 4811.4978956662. The cubic root of 23150512 is about 285.0056918941.

Adding to 23150512 its reverse (21505132), we get a palindrome (44655644).

The spelling of 23150512 in words is "twenty-three million, one hundred fifty thousand, five hundred twelve".