1320100023247 has 2 divisors, whose sum is σ = 1320100023248. Its totient is φ = 1320100023246.

The previous prime is 1320100023217. The next prime is 1320100023251. The reversal of 1320100023247 is 7423200010231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1320100023247 - 2⁷ = 1320100023119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320100023217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660050011623 + 660050011624.

It is an arithmetic number, because the mean of its divisors is an integer number (660050011624).

Almost surely, 2^{1320100023247} is an apocalyptic number.

1320100023247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320100023247 is an equidigital number, since it uses as much as digits as its factorization.

1320100023247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 1320100023247 its reverse (7423200010231), we get a palindrome (8743300033478).

The spelling of 1320100023247 in words is "one trillion, three hundred twenty billion, one hundred million, twenty-three thousand, two hundred forty-seven".