23201004149 has 2 divisors, whose sum is σ = 23201004150. Its totient is φ = 23201004148.

The previous prime is 23201004121. The next prime is 23201004227. The reversal of 23201004149 is 94140010232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23160274225 + 40729924 = 152185^2 + 6382^2 .

It is a cyclic number.

It is not a de Polignac number, because 23201004149 - 2¹⁶ = 23200938613 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23201004049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600502074 + 11600502075.

It is an arithmetic number, because the mean of its divisors is an integer number (11600502075).

Almost surely, 2^23201004149 is an apocalyptic number.

It is an amenable number.

23201004149 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201004149 is an equidigital number, since it uses as much as digits as its factorization.

23201004149 is an evil number, because the sum of its binary digits is even.

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

The spelling of 23201004149 in words is "twenty-three billion, two hundred one million, four thousand, one hundred forty-nine".