23123221303 has 16 divisors (see below), whose sum is σ = 28496252736. Its totient is φ = 18271572480.

The previous prime is 23123221291. The next prime is 23123221307. The reversal of 23123221303 is 30312232132.

It is not a de Polignac number, because 23123221303 - 2²¹ = 23121124151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123221307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94018 + ... + 234703.

It is an arithmetic number, because the mean of its divisors is an integer number (1781015796).

Almost surely, 2^23123221303 is an apocalyptic number.

23123221303 is a deficient number, since it is larger than the sum of its proper divisors (5373031433).

23123221303 is a wasteful number, since it uses less digits than its factorization.

23123221303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329514.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23123221303 its reverse (30312232132), we get a palindrome (53435453435).

The spelling of 23123221303 in words is "twenty-three billion, one hundred twenty-three million, two hundred twenty-one thousand, three hundred three".