2123010002 has 4 divisors (see below), whose sum is σ = 3184515006. Its totient is φ = 1061505000.

The previous prime is 2123009969. The next prime is 2123010007. The reversal of 2123010002 is 2000103212.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2091324361 + 31685641 = 45731^2 + 5629^2 .

It is not an unprimeable number, because it can be changed into a prime (2123010007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530752499 + ... + 530752502.

Almost surely, 2^2123010002 is an apocalyptic number.

2123010002 is a deficient number, since it is larger than the sum of its proper divisors (1061505004).

2123010002 is a wasteful number, since it uses less digits than its factorization.

2123010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061505003.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2123010002 is about 46076.1326719159. The cubic root of 2123010002 is about 1285.2393487949.

Adding to 2123010002 its reverse (2000103212), we get a palindrome (4123113214).

The spelling of 2123010002 in words is "two billion, one hundred twenty-three million, ten thousand, two".