23109130 has 32 divisors (see below), whose sum is σ = 47770560. Its totient is φ = 7960320.

The previous prime is 23109091. The next prime is 23109131. The reversal of 23109130 is 3190132.

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

It is a junction number, because it is equal to n+sod(n) for n = 23109098 and 23109107.

It is not an unprimeable number, because it can be changed into a prime (23109131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3439 + ... + 7618.

It is an arithmetic number, because the mean of its divisors is an integer number (1492830).

Almost surely, 2^23109130 is an apocalyptic number.

23109130 is an abundant number, since it is smaller than the sum of its proper divisors (24661430).

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

23109130 is a wasteful number, since it uses less digits than its factorization.

23109130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11094.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 23109130 is about 4807.1956481924. The cubic root of 23109130 is about 284.8357728310.

Adding to 23109130 its reverse (3190132), we get a palindrome (26299262).

The spelling of 23109130 in words is "twenty-three million, one hundred nine thousand, one hundred thirty".