102123143323131 has 16 divisors (see below), whose sum is σ = 155616629696000. Its totient is φ = 58355927661888.

The previous prime is 102123143323127. The next prime is 102123143323193. The reversal of 102123143323131 is 131323341321201.

It is not a de Polignac number, because 102123143323131 - 2² = 102123143323127 is a prime.

It is a super-2 number, since 2×102123143323131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102123143321131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1962735 + ... + 14425623.

It is an arithmetic number, because the mean of its divisors is an integer number (9726039356000).

Almost surely, 2^{102123143323131} is an apocalyptic number.

102123143323131 is a deficient number, since it is larger than the sum of its proper divisors (53493486372869).

102123143323131 is a wasteful number, since it uses less digits than its factorization.

102123143323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12853098.

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 102123143323131 its reverse (131323341321201), we get a palindrome (233446484644332).

The spelling of 102123143323131 in words is "one hundred two trillion, one hundred twenty-three billion, one hundred forty-three million, three hundred twenty-three thousand, one hundred thirty-one".