23012430121 has 2 divisors, whose sum is σ = 23012430122. Its totient is φ = 23012430120.

The previous prime is 23012430073. The next prime is 23012430149. The reversal of 23012430121 is 12103421032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12063946896 + 10948483225 = 109836^2 + 104635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23012430121 is a prime.

It is not a weakly prime, because it can be changed into another prime (23012433121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506215060 + 11506215061.

It is an arithmetic number, because the mean of its divisors is an integer number (11506215061).

Almost surely, 2^23012430121 is an apocalyptic number.

It is an amenable number.

23012430121 is a deficient number, since it is larger than the sum of its proper divisors (1).

23012430121 is an equidigital number, since it uses as much as digits as its factorization.

23012430121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23012430121 its reverse (12103421032), we get a palindrome (35115851153).

The spelling of 23012430121 in words is "twenty-three billion, twelve million, four hundred thirty thousand, one hundred twenty-one".