1023444044453 has 2 divisors, whose sum is σ = 1023444044454. Its totient is φ = 1023444044452.

The previous prime is 1023444044449. The next prime is 1023444044533. The reversal of 1023444044453 is 3544404443201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 866867137249 + 156576907204 = 931057^2 + 395698^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023444044453 - 2² = 1023444044449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023444044053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511722022226 + 511722022227.

It is an arithmetic number, because the mean of its divisors is an integer number (511722022227).

Almost surely, 2^{1023444044453} is an apocalyptic number.

It is an amenable number.

1023444044453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023444044453 is an equidigital number, since it uses as much as digits as its factorization.

1023444044453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 1023444044453 its reverse (3544404443201), we get a palindrome (4567848487654).

The spelling of 1023444044453 in words is "one trillion, twenty-three billion, four hundred forty-four million, forty-four thousand, four hundred fifty-three".