1355230723 has 32 divisors (see below), whose sum is σ = 1742694912. Its totient is φ = 1023360000.

The previous prime is 1355230711. The next prime is 1355230729. The reversal of 1355230723 is 3270325531.

It is a cyclic number.

It is not a de Polignac number, because 1355230723 - 2⁵ = 1355230691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1355230729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 336723 + ... + 340723.

It is an arithmetic number, because the mean of its divisors is an integer number (54459216).

Almost surely, 2^1355230723 is an apocalyptic number.

1355230723 is a deficient number, since it is larger than the sum of its proper divisors (387464189).

1355230723 is a wasteful number, since it uses less digits than its factorization.

1355230723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 1355230723 is about 36813.4584493226. The cubic root of 1355230723 is about 1106.6350283793.

The spelling of 1355230723 in words is "one billion, three hundred fifty-five million, two hundred thirty thousand, seven hundred twenty-three".