1023123400847 has 2 divisors, whose sum is σ = 1023123400848. Its totient is φ = 1023123400846.

The previous prime is 1023123400843. The next prime is 1023123400889. The reversal of 1023123400847 is 7480043213201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023123400847 - 2² = 1023123400843 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023123400841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511561700423 + 511561700424.

It is an arithmetic number, because the mean of its divisors is an integer number (511561700424).

Almost surely, 2^{1023123400847} is an apocalyptic number.

1023123400847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023123400847 is an equidigital number, since it uses as much as digits as its factorization.

1023123400847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 1023123400847 in words is "one trillion, twenty-three billion, one hundred twenty-three million, four hundred thousand, eight hundred forty-seven".