23905630 has 24 divisors (see below), whose sum is σ = 50056488. Its totient is φ = 8196048.

The previous prime is 23905613. The next prime is 23905631. The reversal of 23905630 is 3650932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23905631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23904 + ... + 24883.

It is an arithmetic number, because the mean of its divisors is an integer number (2085687).

Almost surely, 2^23905630 is an apocalyptic number.

23905630 is an abundant number, since it is smaller than the sum of its proper divisors (26150858).

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

23905630 is a wasteful number, since it uses less digits than its factorization.

23905630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48808 (or 48801 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 23905630 is about 4889.3384010518. The cubic root of 23905630 is about 288.0713477424.

It can be divided in two parts, 239056 and 30, that added together give a triangular number (239086 = T₆₉₁).

The spelling of 23905630 in words is "twenty-three million, nine hundred five thousand, six hundred thirty".