23150550 has 48 divisors (see below), whose sum is σ = 60442560. Its totient is φ = 5847840.

The previous prime is 23150539. The next prime is 23150551. The reversal of 23150550 is 5505132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23150551) 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, 1212 + ... + 6911.

It is an arithmetic number, because the mean of its divisors is an integer number (1259220).

Almost surely, 2^23150550 is an apocalyptic number.

23150550 is an abundant number, since it is smaller than the sum of its proper divisors (37292010).

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

23150550 is a wasteful number, since it uses less digits than its factorization.

23150550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8157 (or 8152 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 23150550 is about 4811.5018445388. The cubic root of 23150550 is about 285.0058478332.

Adding to 23150550 its reverse (5505132), we get a palindrome (28655682).

The spelling of 23150550 in words is "twenty-three million, one hundred fifty thousand, five hundred fifty".