23012310149 has 2 divisors, whose sum is σ = 23012310150. Its totient is φ = 23012310148.

The previous prime is 23012310077. The next prime is 23012310157. The reversal of 23012310149 is 94101321032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19097305249 + 3915004900 = 138193^2 + 62570^2 .

It is a cyclic number.

It is not a de Polignac number, because 23012310149 - 2⁸ = 23012309893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23012310649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506155074 + 11506155075.

It is an arithmetic number, because the mean of its divisors is an integer number (11506155075).

Almost surely, 2^23012310149 is an apocalyptic number.

It is an amenable number.

23012310149 is a deficient number, since it is larger than the sum of its proper divisors (1).

23012310149 is an equidigital number, since it uses as much as digits as its factorization.

23012310149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 23012310149 in words is "twenty-three billion, twelve million, three hundred ten thousand, one hundred forty-nine".