23150490 has 96 divisors (see below), whose sum is σ = 63488448. Its totient is φ = 5356800.

The previous prime is 23150467. The next prime is 23150507. The reversal of 23150490 is 9405132.

It is a self number, because there is not a number n which added to its sum of digits gives 23150490.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 317094 + ... + 317166.

It is an arithmetic number, because the mean of its divisors is an integer number (661338).

Almost surely, 2^23150490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23150490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31744224).

23150490 is an abundant number, since it is smaller than the sum of its proper divisors (40337958).

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

23150490 is a wasteful number, since it uses less digits than its factorization.

23150490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 23150490 is about 4811.4956094753. The cubic root of 23150490 is about 285.0056016135.

It can be divided in two parts, 231 and 50490, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 23150490 in words is "twenty-three million, one hundred fifty thousand, four hundred ninety".