23012240129 has 2 divisors, whose sum is σ = 23012240130. Its totient is φ = 23012240128.

The previous prime is 23012240113. The next prime is 23012240143. The reversal of 23012240129 is 92104221032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21505635904 + 1506604225 = 146648^2 + 38815^2 .

It is a cyclic number.

It is not a de Polignac number, because 23012240129 - 2⁴ = 23012240113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23012240098 and 23012240107.

It is not a weakly prime, because it can be changed into another prime (23012240149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506120064 + 11506120065.

It is an arithmetic number, because the mean of its divisors is an integer number (11506120065).

Almost surely, 2^23012240129 is an apocalyptic number.

It is an amenable number.

23012240129 is a deficient number, since it is larger than the sum of its proper divisors (1).

23012240129 is an equidigital number, since it uses as much as digits as its factorization.

23012240129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 23012240129 in words is "twenty-three billion, twelve million, two hundred forty thousand, one hundred twenty-nine".