1355435423 has 2 divisors, whose sum is σ = 1355435424. Its totient is φ = 1355435422.

The previous prime is 1355435309. The next prime is 1355435429. The reversal of 1355435423 is 3245345531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1355435423 - 2¹² = 1355431327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355435429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677717711 + 677717712.

It is an arithmetic number, because the mean of its divisors is an integer number (677717712).

Almost surely, 2^1355435423 is an apocalyptic number.

1355435423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355435423 is an equidigital number, since it uses as much as digits as its factorization.

1355435423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 35.

The square root of 1355435423 is about 36816.2385775625. The cubic root of 1355435423 is about 1106.6907425792.

The spelling of 1355435423 in words is "one billion, three hundred fifty-five million, four hundred thirty-five thousand, four hundred twenty-three".