23122014121 has 4 divisors (see below), whose sum is σ = 23130852052. Its totient is φ = 23113176192.

The previous prime is 23122014107. The next prime is 23122014127. The reversal of 23122014121 is 12141022132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18790926400 + 4331087721 = 137080^2 + 65811^2 .

It is a cyclic number.

It is not a de Polignac number, because 23122014121 - 2⁹ = 23122013609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23122014127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4415040 + ... + 4420273.

It is an arithmetic number, because the mean of its divisors is an integer number (5782713013).

Almost surely, 2^23122014121 is an apocalyptic number.

It is an amenable number.

23122014121 is a deficient number, since it is larger than the sum of its proper divisors (8837931).

23122014121 is an equidigital number, since it uses as much as digits as its factorization.

23122014121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8837930.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 23122014121 its reverse (12141022132), we get a palindrome (35263036253).

The spelling of 23122014121 in words is "twenty-three billion, one hundred twenty-two million, fourteen thousand, one hundred twenty-one".