23101221003 has 32 divisors (see below), whose sum is σ = 37077081600. Its totient is φ = 12498333696.

The previous prime is 23101220977. The next prime is 23101221007. The reversal of 23101221003 is 30012210132.

It is not a de Polignac number, because 23101221003 - 2²² = 23097026699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23101221007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 674763 + ... + 708171.

It is an arithmetic number, because the mean of its divisors is an integer number (1158658800).

Almost surely, 2^23101221003 is an apocalyptic number.

23101221003 is a deficient number, since it is larger than the sum of its proper divisors (13975860597).

23101221003 is a wasteful number, since it uses less digits than its factorization.

23101221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35171.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23101221003 its reverse (30012210132), we get a palindrome (53113431135).

The spelling of 23101221003 in words is "twenty-three billion, one hundred one million, two hundred twenty-one thousand, three".