1023153563743 has 2 divisors, whose sum is σ = 1023153563744. Its totient is φ = 1023153563742.

The previous prime is 1023153563741. The next prime is 1023153563749. The reversal of 1023153563743 is 3473653513201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023153563743 - 2¹ = 1023153563741 is a prime.

Together with 1023153563741, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1023153563743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023153563741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511576781871 + 511576781872.

It is an arithmetic number, because the mean of its divisors is an integer number (511576781872).

Almost surely, 2^{1023153563743} is an apocalyptic number.

1023153563743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023153563743 is an equidigital number, since it uses as much as digits as its factorization.

1023153563743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 43.

The spelling of 1023153563743 in words is "one trillion, twenty-three billion, one hundred fifty-three million, five hundred sixty-three thousand, seven hundred forty-three".