2002423655 has 8 divisors (see below), whose sum is σ = 2408460432. Its totient is φ = 1598237568.

The previous prime is 2002423651. The next prime is 2002423663. The reversal of 2002423655 is 5563242002.

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 2002423655 - 2² = 2002423651 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 (2002423651) 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, 460289 + ... + 464618.

It is an arithmetic number, because the mean of its divisors is an integer number (301057554).

Almost surely, 2^2002423655 is an apocalyptic number.

2002423655 is a deficient number, since it is larger than the sum of its proper divisors (406036777).

2002423655 is an equidigital number, since it uses as much as digits as its factorization.

2002423655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925345.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2002423655 is about 44748.4486323269. The cubic root of 2002423655 is about 1260.4297801111.

Adding to 2002423655 its reverse (5563242002), we get a palindrome (7565665657).

The spelling of 2002423655 in words is "two billion, two million, four hundred twenty-three thousand, six hundred fifty-five".