1355423093 has 2 divisors, whose sum is σ = 1355423094. Its totient is φ = 1355423092.

The previous prime is 1355423089. The next prime is 1355423101. The reversal of 1355423093 is 3903245531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1290749329 + 64673764 = 35927^2 + 8042^2 .

It is a cyclic number.

It is not a de Polignac number, because 1355423093 - 2² = 1355423089 is a prime.

It is a super-2 number, since 2×1355423093² = 3674343522075373298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355423053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677711546 + 677711547.

It is an arithmetic number, because the mean of its divisors is an integer number (677711547).

Almost surely, 2^1355423093 is an apocalyptic number.

It is an amenable number.

1355423093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355423093 is an equidigital number, since it uses as much as digits as its factorization.

1355423093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 1355423093 is about 36816.0711238991. The cubic root of 1355423093 is about 1106.6873868215.

The spelling of 1355423093 in words is "one billion, three hundred fifty-five million, four hundred twenty-three thousand, ninety-three".