1655441423 has 4 divisors (see below), whose sum is σ = 1712525640. Its totient is φ = 1598357208.

The previous prime is 1655441407. The next prime is 1655441507. The reversal of 1655441423 is 3241445561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1655441423 - 2⁴ = 1655441407 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 (1655441923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28542065 + ... + 28542122.

It is an arithmetic number, because the mean of its divisors is an integer number (428131410).

Almost surely, 2^1655441423 is an apocalyptic number.

1655441423 is a deficient number, since it is larger than the sum of its proper divisors (57084217).

1655441423 is an equidigital number, since it uses as much as digits as its factorization.

1655441423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57084216.

The product of its digits is 57600, while the sum is 35.

The square root of 1655441423 is about 40687.1161794492. The cubic root of 1655441423 is about 1182.9633035631.

Adding to 1655441423 its reverse (3241445561), we get a palindrome (4896886984).

The spelling of 1655441423 in words is "one billion, six hundred fifty-five million, four hundred forty-one thousand, four hundred twenty-three".