130021233 has 4 divisors (see below), whose sum is σ = 173361648. Its totient is φ = 86680820.

The previous prime is 130021153. The next prime is 130021259. The reversal of 130021233 is 332120031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130021233 - 2¹³ = 130013041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130021273) 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, 21670203 + ... + 21670208.

It is an arithmetic number, because the mean of its divisors is an integer number (43340412).

Almost surely, 2^130021233 is an apocalyptic number.

It is an amenable number.

130021233 is a deficient number, since it is larger than the sum of its proper divisors (43340415).

130021233 is an equidigital number, since it uses as much as digits as its factorization.

130021233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43340414.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 130021233 is about 11402.6853416202. The cubic root of 130021233 is about 506.6072804261.

Adding to 130021233 its reverse (332120031), we get a palindrome (462141264).

The spelling of 130021233 in words is "one hundred thirty million, twenty-one thousand, two hundred thirty-three".