22623751247077 has 2 divisors, whose sum is σ = 22623751247078. Its totient is φ = 22623751247076.

The previous prime is 22623751247057. The next prime is 22623751247099. The reversal of 22623751247077 is 77074215732622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20992240629441 + 1631510617636 = 4581729^2 + 1277306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22623751247077 is a prime.

It is a super-2 number, since 2×22623751247077² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22623751247057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11311875623538 + 11311875623539.

It is an arithmetic number, because the mean of its divisors is an integer number (11311875623539).

Almost surely, 2^{22623751247077} is an apocalyptic number.

It is an amenable number.

22623751247077 is a deficient number, since it is larger than the sum of its proper divisors (1).

22623751247077 is an equidigital number, since it uses as much as digits as its factorization.

22623751247077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13829760, while the sum is 55.

Adding to 22623751247077 its reverse (77074215732622), we get a palindrome (99697966979699).

The spelling of 22623751247077 in words is "twenty-two trillion, six hundred twenty-three billion, seven hundred fifty-one million, two hundred forty-seven thousand, seventy-seven".