1353215254123 has 2 divisors, whose sum is σ = 1353215254124. Its totient is φ = 1353215254122.

The previous prime is 1353215254121. The next prime is 1353215254189. The reversal of 1353215254123 is 3214525123531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1353215254123 - 2¹ = 1353215254121 is a prime.

Together with 1353215254121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1353215254121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676607627061 + 676607627062.

It is an arithmetic number, because the mean of its divisors is an integer number (676607627062).

Almost surely, 2^{1353215254123} is an apocalyptic number.

1353215254123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353215254123 is an equidigital number, since it uses as much as digits as its factorization.

1353215254123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 37.

The spelling of 1353215254123 in words is "one trillion, three hundred fifty-three billion, two hundred fifteen million, two hundred fifty-four thousand, one hundred twenty-three".