23162130 has 48 divisors (see below), whose sum is σ = 61700184. Its totient is φ = 6024960.

The previous prime is 23162107. The next prime is 23162189. The reversal of 23162130 is 3126132.

It can be written as a sum of positive squares in 4 ways, for example, as 19158129 + 4004001 = 4377^2 + 2001^2 .

It is a super-2 number, since 2×23162130² = 1072968532273800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 552 + ... + 6828.

Almost surely, 2^23162130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23162130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30850092).

23162130 is an abundant number, since it is smaller than the sum of its proper divisors (38538054).

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

23162130 is a wasteful number, since it uses less digits than its factorization.

23162130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6331 (or 6328 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 23162130 is about 4812.7050605663. The cubic root of 23162130 is about 285.0533602766.

Adding to 23162130 its reverse (3126132), we get a palindrome (26288262).

The spelling of 23162130 in words is "twenty-three million, one hundred sixty-two thousand, one hundred thirty".