1023312200249 has 2 divisors, whose sum is σ = 1023312200250. Its totient is φ = 1023312200248.

The previous prime is 1023312200213. The next prime is 1023312200293. The reversal of 1023312200249 is 9420022133201.

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., 972527324224 + 50784876025 = 986168^2 + 225355^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023312200249 - 2³² = 1019017232953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023312205249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511656100124 + 511656100125.

It is an arithmetic number, because the mean of its divisors is an integer number (511656100125).

Almost surely, 2^{1023312200249} is an apocalyptic number.

It is an amenable number.

1023312200249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023312200249 is an equidigital number, since it uses as much as digits as its factorization.

1023312200249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 1023312200249 in words is "one trillion, twenty-three billion, three hundred twelve million, two hundred thousand, two hundred forty-nine".