2002430123 has 2 divisors, whose sum is σ = 2002430124. Its totient is φ = 2002430122.

The previous prime is 2002430069. The next prime is 2002430179. The reversal of 2002430123 is 3210342002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2002430123 - 2¹⁶ = 2002364587 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002460123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001215061 + 1001215062.

It is an arithmetic number, because the mean of its divisors is an integer number (1001215062).

Almost surely, 2^2002430123 is an apocalyptic number.

2002430123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002430123 is an equidigital number, since it uses as much as digits as its factorization.

2002430123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2002430123 is about 44748.5209029304. The cubic root of 2002430123 is about 1260.4311372084.

Adding to 2002430123 its reverse (3210342002), we get a palindrome (5212772125).

The spelling of 2002430123 in words is "two billion, two million, four hundred thirty thousand, one hundred twenty-three".