23331144120149 has 2 divisors, whose sum is σ = 23331144120150. Its totient is φ = 23331144120148.

The previous prime is 23331144120113. The next prime is 23331144120173. The reversal of 23331144120149 is 94102144113332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12929274232900 + 10401869887249 = 3595730^2 + 3225193^2 .

It is a cyclic number.

It is not a de Polignac number, because 23331144120149 - 2¹² = 23331144116053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23331144126149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11665572060074 + 11665572060075.

It is an arithmetic number, because the mean of its divisors is an integer number (11665572060075).

Almost surely, 2^{23331144120149} is an apocalyptic number.

It is an amenable number.

23331144120149 is a deficient number, since it is larger than the sum of its proper divisors (1).

23331144120149 is an equidigital number, since it uses as much as digits as its factorization.

23331144120149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 23331144120149 in words is "twenty-three trillion, three hundred thirty-one billion, one hundred forty-four million, one hundred twenty thousand, one hundred forty-nine".