23351425109 has 2 divisors, whose sum is σ = 23351425110. Its totient is φ = 23351425108.

The previous prime is 23351425099. The next prime is 23351425121. The reversal of 23351425109 is 90152415332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13554780625 + 9796644484 = 116425^2 + 98978^2 .

It is a cyclic number.

It is not a de Polignac number, because 23351425109 - 2⁸ = 23351424853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23351425159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11675712554 + 11675712555.

It is an arithmetic number, because the mean of its divisors is an integer number (11675712555).

Almost surely, 2^23351425109 is an apocalyptic number.

It is an amenable number.

23351425109 is a deficient number, since it is larger than the sum of its proper divisors (1).

23351425109 is an equidigital number, since it uses as much as digits as its factorization.

23351425109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 23351425109 in words is "twenty-three billion, three hundred fifty-one million, four hundred twenty-five thousand, one hundred nine".