23203401153121 has 48 divisors (see below), whose sum is σ = 28357245242368. Its totient is φ = 18574306732800.

The previous prime is 23203401153073. The next prime is 23203401153143. The reversal of 23203401153121 is 12135110430232.

It is a de Polignac number, because none of the positive numbers 2^k-23203401153121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23203401153121.

It is not an unprimeable number, because it can be changed into a prime (23203401153151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36870715 + ... + 37494751.

Almost surely, 2^{23203401153121} is an apocalyptic number.

It is an amenable number.

23203401153121 is a deficient number, since it is larger than the sum of its proper divisors (5153844089247).

23203401153121 is an equidigital number, since it uses as much as digits as its factorization.

23203401153121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624242 (or 624189 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 23203401153121 its reverse (12135110430232), we get a palindrome (35338511583353).

The spelling of 23203401153121 in words is "twenty-three trillion, two hundred three billion, four hundred one million, one hundred fifty-three thousand, one hundred twenty-one".