32130023 has 4 divisors (see below), whose sum is σ = 32998440. Its totient is φ = 31261608.

The previous prime is 32130013. The next prime is 32130037. The reversal of 32130023 is 32003123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32130023 - 2⁶ = 32129959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130013) 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, 434153 + ... + 434226.

It is an arithmetic number, because the mean of its divisors is an integer number (8249610).

Almost surely, 2^32130023 is an apocalyptic number.

32130023 is a deficient number, since it is larger than the sum of its proper divisors (868417).

32130023 is an equidigital number, since it uses as much as digits as its factorization.

32130023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868416.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 32130023 is about 5668.3351171221. The cubic root of 32130023 is about 317.9096264951.

Adding to 32130023 its reverse (32003123), we get a palindrome (64133146).

The spelling of 32130023 in words is "thirty-two million, one hundred thirty thousand, twenty-three".