23129632 has 24 divisors (see below), whose sum is σ = 45689616. Its totient is φ = 11525952.

The previous prime is 23129629. The next prime is 23129641. The reversal of 23129632 is 23692132.

It is a self number, because there is not a number n which added to its sum of digits gives 23129632.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10063 + ... + 12145.

It is an arithmetic number, because the mean of its divisors is an integer number (1903734).

Almost surely, 2^23129632 is an apocalyptic number.

It is an amenable number.

23129632 is a deficient number, since it is larger than the sum of its proper divisors (22559984).

23129632 is a wasteful number, since it uses less digits than its factorization.

23129632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440 (or 2432 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 23129632 is about 4809.3276037301. The cubic root of 23129632 is about 284.9199816395.

Subtracting 23129632 from its reverse (23692132), we obtain a square (562500 = 750²).

The spelling of 23129632 in words is "twenty-three million, one hundred twenty-nine thousand, six hundred thirty-two".