102031123333123 has 4 divisors (see below), whose sum is σ = 105322449892288. Its totient is φ = 98739796773960.

The previous prime is 102031123333109. The next prime is 102031123333159. The reversal of 102031123333123 is 321333321130201.

It is a happy number.

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 102031123333123 - 2³³ = 102022533398531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102031123333091 and 102031123333100.

It is not an unprimeable number, because it can be changed into a prime (102031123333193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645663279536 + ... + 1645663279597.

It is an arithmetic number, because the mean of its divisors is an integer number (26330612473072).

Almost surely, 2^{102031123333123} is an apocalyptic number.

102031123333123 is a deficient number, since it is larger than the sum of its proper divisors (3291326559165).

102031123333123 is an equidigital number, since it uses as much as digits as its factorization.

102031123333123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291326559164.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 102031123333123 its reverse (321333321130201), we get a palindrome (423364444463324).

The spelling of 102031123333123 in words is "one hundred two trillion, thirty-one billion, one hundred twenty-three million, three hundred thirty-three thousand, one hundred twenty-three".