23112130 has 16 divisors (see below), whose sum is σ = 43036920. Its totient is φ = 8925952.

The previous prime is 23112121. The next prime is 23112137. The reversal of 23112130 is 3121132.

It can be written as a sum of positive squares in 4 ways, for example, as 17918289 + 5193841 = 4233^2 + 2279^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23112130.

It is not an unprimeable number, because it can be changed into a prime (23112137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39559 + ... + 40138.

Almost surely, 2^23112130 is an apocalyptic number.

23112130 is a deficient number, since it is larger than the sum of its proper divisors (19924790).

23112130 is a wasteful number, since it uses less digits than its factorization.

23112130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79733.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 23112130 is about 4807.5076703007. The cubic root of 23112130 is about 284.8480979790.

Adding to 23112130 its reverse (3121132), we get a palindrome (26233262).

The spelling of 23112130 in words is "twenty-three million, one hundred twelve thousand, one hundred thirty".