102010321123 has 2 divisors, whose sum is σ = 102010321124. Its totient is φ = 102010321122.

The previous prime is 102010321069. The next prime is 102010321129. The reversal of 102010321123 is 321123010201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102010321123 is a prime.

It is a super-2 number, since 2×102010321123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102010321097 and 102010321106.

It is not a weakly prime, because it can be changed into another prime (102010321129) 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 as a sum of consecutive naturals, namely, 51005160561 + 51005160562.

It is an arithmetic number, because the mean of its divisors is an integer number (51005160562).

Almost surely, 2^102010321123 is an apocalyptic number.

102010321123 is a deficient number, since it is larger than the sum of its proper divisors (1).

102010321123 is an equidigital number, since it uses as much as digits as its factorization.

102010321123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102010321123 its reverse (321123010201), we get a palindrome (423133331324).

The spelling of 102010321123 in words is "one hundred two billion, ten million, three hundred twenty-one thousand, one hundred twenty-three".