101223197377 has 2 divisors, whose sum is σ = 101223197378. Its totient is φ = 101223197376.

The previous prime is 101223197333. The next prime is 101223197381. The reversal of 101223197377 is 773791322101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99937544641 + 1285652736 = 316129^2 + 35856^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101223197377 is a prime.

It is a super-2 number, since 2×101223197377² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101223192377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50611598688 + 50611598689.

It is an arithmetic number, because the mean of its divisors is an integer number (50611598689).

Almost surely, 2^101223197377 is an apocalyptic number.

It is an amenable number.

101223197377 is a deficient number, since it is larger than the sum of its proper divisors (1).

101223197377 is an equidigital number, since it uses as much as digits as its factorization.

101223197377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111132, while the sum is 43.

The spelling of 101223197377 in words is "one hundred one billion, two hundred twenty-three million, one hundred ninety-seven thousand, three hundred seventy-seven".