23355541121 has 12 divisors (see below), whose sum is σ = 25676848596. Its totient is φ = 21228129120.

The previous prime is 23355541091. The next prime is 23355541151. The reversal of 23355541121 is 12114555332.

It is an interprime number because it is at equal distance from previous prime (23355541091) and next prime (23355541151).

It can be written as a sum of positive squares in 2 ways, for example, as 14777076721 + 8578464400 = 121561^2 + 92620^2 .

It is not a de Polignac number, because 23355541121 - 2²⁶ = 23288432257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23355541151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 714491 + ... + 746463.

It is an arithmetic number, because the mean of its divisors is an integer number (2139737383).

Almost surely, 2^23355541121 is an apocalyptic number.

It is an amenable number.

23355541121 is a deficient number, since it is larger than the sum of its proper divisors (2321307475).

23355541121 is a wasteful number, since it uses less digits than its factorization.

23355541121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38032 (or 38021 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The spelling of 23355541121 in words is "twenty-three billion, three hundred fifty-five million, five hundred forty-one thousand, one hundred twenty-one".