102123002003 has 4 divisors (see below), whose sum is σ = 111406911288. Its totient is φ = 92839092720.

The previous prime is 102123001999. The next prime is 102123002039. The reversal of 102123002003 is 300200321201.

It is a happy number.

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

It is not a de Polignac number, because 102123002003 - 2² = 102123001999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102123002063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4641954626 + ... + 4641954647.

It is an arithmetic number, because the mean of its divisors is an integer number (27851727822).

Almost surely, 2^102123002003 is an apocalyptic number.

102123002003 is a deficient number, since it is larger than the sum of its proper divisors (9283909285).

102123002003 is an equidigital number, since it uses as much as digits as its factorization.

102123002003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9283909284.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 102123002003 its reverse (300200321201), we get a palindrome (402323323204).

The spelling of 102123002003 in words is "one hundred two billion, one hundred twenty-three million, two thousand, three".