2002331123 has 4 divisors (see below), whose sum is σ = 2156356608. Its totient is φ = 1848305640.

The previous prime is 2002331101. The next prime is 2002331147. The reversal of 2002331123 is 3211332002.

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 2002331123 - 2⁸ = 2002330867 is a prime.

It is a super-2 number, since 2×2002331123² = 8018659852268882258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002331623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77012723 + ... + 77012748.

It is an arithmetic number, because the mean of its divisors is an integer number (539089152).

Almost surely, 2^2002331123 is an apocalyptic number.

2002331123 is a deficient number, since it is larger than the sum of its proper divisors (154025485).

2002331123 is a wasteful number, since it uses less digits than its factorization.

2002331123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154025484.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2002331123 is about 44747.4147074443. The cubic root of 2002331123 is about 1260.4103649914.

Adding to 2002331123 its reverse (3211332002), we get a palindrome (5213663125).

The spelling of 2002331123 in words is "two billion, two million, three hundred thirty-one thousand, one hundred twenty-three".