1353452015623 has 2 divisors, whose sum is σ = 1353452015624. Its totient is φ = 1353452015622.

The previous prime is 1353452015603. The next prime is 1353452015677. The reversal of 1353452015623 is 3265102543531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1353452015623 is a prime.

It is a super-2 number, since 2×1353452015623² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1353452015603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676726007811 + 676726007812.

It is an arithmetic number, because the mean of its divisors is an integer number (676726007812).

Almost surely, 2^{1353452015623} is an apocalyptic number.

1353452015623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353452015623 is an equidigital number, since it uses as much as digits as its factorization.

1353452015623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 1353452015623 in words is "one trillion, three hundred fifty-three billion, four hundred fifty-two million, fifteen thousand, six hundred twenty-three".