23400011121 has 8 divisors (see below), whose sum is σ = 32043258624. Its totient is φ = 15178385520.

The previous prime is 23400011113. The next prime is 23400011143. The reversal of 23400011121 is 12111000432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23400011121 - 2³ = 23400011113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23400011121.

It is not an unprimeable number, because it can be changed into a prime (23400011171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105405345 + ... + 105405566.

It is an arithmetic number, because the mean of its divisors is an integer number (4005407328).

Almost surely, 2^23400011121 is an apocalyptic number.

It is an amenable number.

23400011121 is a deficient number, since it is larger than the sum of its proper divisors (8643247503).

23400011121 is a wasteful number, since it uses less digits than its factorization.

23400011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210810951.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 23400011121 its reverse (12111000432), we get a palindrome (35511011553).

The spelling of 23400011121 in words is "twenty-three billion, four hundred million, eleven thousand, one hundred twenty-one".