23311076149 has 2 divisors, whose sum is σ = 23311076150. Its totient is φ = 23311076148.

The previous prime is 23311076143. The next prime is 23311076161. The reversal of 23311076149 is 94167011332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20935196100 + 2375880049 = 144690^2 + 48743^2 .

It is a cyclic number.

It is not a de Polignac number, because 23311076149 - 2¹³ = 23311067957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23311076143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655538074 + 11655538075.

It is an arithmetic number, because the mean of its divisors is an integer number (11655538075).

Almost surely, 2^23311076149 is an apocalyptic number.

It is an amenable number.

23311076149 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311076149 is an equidigital number, since it uses as much as digits as its factorization.

23311076149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 23311076149 in words is "twenty-three billion, three hundred eleven million, seventy-six thousand, one hundred forty-nine".