10002123123 has 16 divisors (see below), whose sum is σ = 13778918400. Its totient is φ = 6447097440.

The previous prime is 10002123121. The next prime is 10002123181. The reversal of 10002123123 is 32132120001.

It is not a de Polignac number, because 10002123123 - 2¹ = 10002123121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10002123121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54648 + ... + 151626.

It is an arithmetic number, because the mean of its divisors is an integer number (861182400).

Almost surely, 2^10002123123 is an apocalyptic number.

10002123123 is a deficient number, since it is larger than the sum of its proper divisors (3776795277).

10002123123 is a wasteful number, since it uses less digits than its factorization.

10002123123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98122.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10002123123 its reverse (32132120001), we get a palindrome (42134243124).

The spelling of 10002123123 in words is "ten billion, two million, one hundred twenty-three thousand, one hundred twenty-three".