23103530 has 16 divisors (see below), whose sum is σ = 41821920. Its totient is φ = 9189072.

The previous prime is 23103511. The next prime is 23103533. The reversal of 23103530 is 3530132.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23103499 and 23103508.

It is not an unprimeable number, because it can be changed into a prime (23103533) 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, 4664 + ... + 8243.

It is an arithmetic number, because the mean of its divisors is an integer number (2613870).

Almost surely, 2^23103530 is an apocalyptic number.

23103530 is a deficient number, since it is larger than the sum of its proper divisors (18718390).

23103530 is a wasteful number, since it uses less digits than its factorization.

23103530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13093.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 23103530 is about 4806.6131527303. The cubic root of 23103530 is about 284.8127630337.

Adding to 23103530 its reverse (3530132), we get a palindrome (26633662).

The spelling of 23103530 in words is "twenty-three million, one hundred three thousand, five hundred thirty".