23990532 has 12 divisors (see below), whose sum is σ = 55977936. Its totient is φ = 7996840.

The previous prime is 23990531. The next prime is 23990543. The reversal of 23990532 is 23509932.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 23990493 and 23990502.

It is not an unprimeable number, because it can be changed into a prime (23990531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999594 + ... + 999617.

It is an arithmetic number, because the mean of its divisors is an integer number (4664828).

Almost surely, 2^23990532 is an apocalyptic number.

It is an amenable number.

23990532 is an abundant number, since it is smaller than the sum of its proper divisors (31987404).

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

23990532 is a wasteful number, since it uses less digits than its factorization.

23990532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999218 (or 1999216 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 23990532 is about 4898.0130665403. The cubic root of 23990532 is about 288.4119779087.

The spelling of 23990532 in words is "twenty-three million, nine hundred ninety thousand, five hundred thirty-two".