1355423051 has 8 divisors (see below), whose sum is σ = 1423850400. Its totient is φ = 1287787072.

The previous prime is 1355423009. The next prime is 1355423053. The reversal of 1355423051 is 1503245531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1355423051 - 2¹⁰ = 1355422027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355423053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194330 + ... + 201183.

It is an arithmetic number, because the mean of its divisors is an integer number (177981300).

Almost surely, 2^1355423051 is an apocalyptic number.

1355423051 is a deficient number, since it is larger than the sum of its proper divisors (68427349).

1355423051 is a wasteful number, since it uses less digits than its factorization.

1355423051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395685.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1355423051 is about 36816.0705534961. The cubic root of 1355423051 is about 1106.6873753907.

Adding to 1355423051 its reverse (1503245531), we get a palindrome (2858668582).

The spelling of 1355423051 in words is "one billion, three hundred fifty-five million, four hundred twenty-three thousand, fifty-one".