1355634423 has 48 divisors (see below), whose sum is σ = 2323470240. Its totient is φ = 750816000.

The previous prime is 1355634419. The next prime is 1355634431. The reversal of 1355634423 is 3244365531.

1355634423 is a `hidden beast` number, since 1 + 35 + 563 + 44 + 23 = 666.

It is not a de Polignac number, because 1355634423 - 2² = 1355634419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355634403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124773 + ... + 135201.

It is an arithmetic number, because the mean of its divisors is an integer number (48405630).

Almost surely, 2^1355634423 is an apocalyptic number.

1355634423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1355634423 is a deficient number, since it is larger than the sum of its proper divisors (967835817).

1355634423 is a wasteful number, since it uses less digits than its factorization.

1355634423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10560 (or 10557 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 1355634423 is about 36818.9410901509. The cubic root of 1355634423 is about 1106.7449000051.

Adding to 1355634423 its reverse (3244365531), we get a palindrome (4599999954).

The spelling of 1355634423 in words is "one billion, three hundred fifty-five million, six hundred thirty-four thousand, four hundred twenty-three".