2002123413 has 56 divisors (see below), whose sum is σ = 3077013600. Its totient is φ = 1301772384.

The previous prime is 2002123399. The next prime is 2002123511. The reversal of 2002123413 is 3143212002.

It is not a de Polignac number, because 2002123413 - 2⁴ = 2002123397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002122413) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 8742783 + ... + 8743011.

Almost surely, 2^2002123413 is an apocalyptic number.

It is an amenable number.

2002123413 is a deficient number, since it is larger than the sum of its proper divisors (1074890187).

2002123413 is an equidigital number, since it uses as much as digits as its factorization.

2002123413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2002123413 is about 44745.0937310450. The cubic root of 2002123413 is about 1260.3667809763.

Adding to 2002123413 its reverse (3143212002), we get a palindrome (5145335415).

It can be divided in two parts, 20021 and 23413, that added together give a palindrome (43434).

The spelling of 2002123413 in words is "two billion, two million, one hundred twenty-three thousand, four hundred thirteen".