23188838377 has 2 divisors, whose sum is σ = 23188838378. Its totient is φ = 23188838376.

The previous prime is 23188838341. The next prime is 23188838417. The reversal of 23188838377 is 77383888132.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18991871721 + 4196966656 = 137811^2 + 64784^2 .

It is a cyclic number.

It is not a de Polignac number, because 23188838377 - 2¹⁵ = 23188805609 is a prime.

It is not a weakly prime, because it can be changed into another prime (23188838317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11594419188 + 11594419189.

It is an arithmetic number, because the mean of its divisors is an integer number (11594419189).

Almost surely, 2^23188838377 is an apocalyptic number.

It is an amenable number.

23188838377 is a deficient number, since it is larger than the sum of its proper divisors (1).

23188838377 is an equidigital number, since it uses as much as digits as its factorization.

23188838377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10838016, while the sum is 58.

The spelling of 23188838377 in words is "twenty-three billion, one hundred eighty-eight million, eight hundred thirty-eight thousand, three hundred seventy-seven".