23132121303 has 16 divisors (see below), whose sum is σ = 30954065120. Its totient is φ = 15365873664.

The previous prime is 23132121281. The next prime is 23132121449. The reversal of 23132121303 is 30312123132.

It is not a de Polignac number, because 23132121303 - 2¹⁶ = 23132055767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23132121303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132123303) 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, 1281243 + ... + 1299171.

It is an arithmetic number, because the mean of its divisors is an integer number (1934629070).

Almost surely, 2^23132121303 is an apocalyptic number.

23132121303 is a deficient number, since it is larger than the sum of its proper divisors (7821943817).

23132121303 is a wasteful number, since it uses less digits than its factorization.

23132121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19458.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23132121303 its reverse (30312123132), we get a palindrome (53444244435).

The spelling of 23132121303 in words is "twenty-three billion, one hundred thirty-two million, one hundred twenty-one thousand, three hundred three".