23215032003 has 4 divisors (see below), whose sum is σ = 30953376008. Its totient is φ = 15476688000.

The previous prime is 23215031999. The next prime is 23215032047. The reversal of 23215032003 is 30023051232.

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

It is not a de Polignac number, because 23215032003 - 2² = 23215031999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23215072003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3869171998 + ... + 3869172003.

It is an arithmetic number, because the mean of its divisors is an integer number (7738344002).

Almost surely, 2^23215032003 is an apocalyptic number.

23215032003 is a deficient number, since it is larger than the sum of its proper divisors (7738344005).

23215032003 is an equidigital number, since it uses as much as digits as its factorization.

23215032003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7738344004.

The product of its (nonzero) digits is 1080, while the sum is 21.

Adding to 23215032003 its reverse (30023051232), we get a palindrome (53238083235).

The spelling of 23215032003 in words is "twenty-three billion, two hundred fifteen million, thirty-two thousand, three".