1355450220623 has 8 divisors (see below), whose sum is σ = 1436926444128. Its totient is φ = 1274167759104.

The previous prime is 1355450220587. The next prime is 1355450220637. The reversal of 1355450220623 is 3260220545531.

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 1355450220623 - 2²⁴ = 1355433443407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355450220673) 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, 48426086 + ... + 48454067.

It is an arithmetic number, because the mean of its divisors is an integer number (179615805516).

Almost surely, 2^{1355450220623} is an apocalyptic number.

1355450220623 is a deficient number, since it is larger than the sum of its proper divisors (81476223505).

1355450220623 is an equidigital number, since it uses as much as digits as its factorization.

1355450220623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96880993.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 1355450220623 in words is "one trillion, three hundred fifty-five billion, four hundred fifty million, two hundred twenty thousand, six hundred twenty-three".