1353261623 has 8 divisors (see below), whose sum is σ = 1546847520. Its totient is φ = 1159741440.

The previous prime is 1353261619. The next prime is 1353261653. The reversal of 1353261623 is 3261623531.

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 1353261623 - 2² = 1353261619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1353261623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353261653) 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 7 ways as a sum of consecutive naturals, for example, 41183 + ... + 66351.

It is an arithmetic number, because the mean of its divisors is an integer number (193355940).

Almost surely, 2^1353261623 is an apocalyptic number.

1353261623 is a deficient number, since it is larger than the sum of its proper divisors (193585897).

1353261623 is an equidigital number, since it uses as much as digits as its factorization.

1353261623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32857.

The product of its digits is 19440, while the sum is 32.

The square root of 1353261623 is about 36786.7044324441. The cubic root of 1353261623 is about 1106.0988020325.

The spelling of 1353261623 in words is "one billion, three hundred fifty-three million, two hundred sixty-one thousand, six hundred twenty-three".