23201630 has 16 divisors (see below), whose sum is σ = 42094080. Its totient is φ = 9207072.

The previous prime is 23201623. The next prime is 23201657. The reversal of 23201630 is 3610232.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23201599 and 23201608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7865 + ... + 10404.

It is an arithmetic number, because the mean of its divisors is an integer number (2630880).

Almost surely, 2^23201630 is an apocalyptic number.

23201630 is a deficient number, since it is larger than the sum of its proper divisors (18892450).

23201630 is a wasteful number, since it uses less digits than its factorization.

23201630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18403.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 23201630 is about 4816.8070337102. The cubic root of 23201630 is about 285.2153087270.

Adding to 23201630 its reverse (3610232), we get a palindrome (26811862).

The spelling of 23201630 in words is "twenty-three million, two hundred one thousand, six hundred thirty".