23871130 has 16 divisors (see below), whose sum is σ = 43673544. Its totient is φ = 9391680.

The previous prime is 23871103. The next prime is 23871131. The reversal of 23871130 is 3117832.

It can be written as a sum of positive squares in 4 ways, for example, as 19088161 + 4782969 = 4369^2 + 2187^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23871095 and 23871104.

It is not an unprimeable number, because it can be changed into a prime (23871131) 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, 18957 + ... + 20176.

Almost surely, 2^23871130 is an apocalyptic number.

23871130 is a deficient number, since it is larger than the sum of its proper divisors (19802414).

23871130 is a wasteful number, since it uses less digits than its factorization.

23871130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39201.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 23871130 is about 4885.8090425230. The cubic root of 23871130 is about 287.9327019323.

Adding to 23871130 its reverse (3117832), we get a palindrome (26988962).

The spelling of 23871130 in words is "twenty-three million, eight hundred seventy-one thousand, one hundred thirty".