9774239453123 has 2 divisors, whose sum is σ = 9774239453124. Its totient is φ = 9774239453122.

The previous prime is 9774239453101. The next prime is 9774239453129. The reversal of 9774239453123 is 3213549324779.

9774239453123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9774239453123 - 2⁶ = 9774239453059 is a prime.

It is a super-2 number, since 2×9774239453123² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9774239453129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4887119726561 + 4887119726562.

It is an arithmetic number, because the mean of its divisors is an integer number (4887119726562).

Almost surely, 2^{9774239453123} is an apocalyptic number.

9774239453123 is a deficient number, since it is larger than the sum of its proper divisors (1).

9774239453123 is an equidigital number, since it uses as much as digits as its factorization.

9774239453123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34292160, while the sum is 59.

The spelling of 9774239453123 in words is "nine trillion, seven hundred seventy-four billion, two hundred thirty-nine million, four hundred fifty-three thousand, one hundred twenty-three".