102123144001 has 4 divisors (see below), whose sum is σ = 104883229012. Its totient is φ = 99363058992.

The previous prime is 102123143999. The next prime is 102123144017. The reversal of 102123144001 is 100441321201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43597857601 + 58525286400 = 208801^2 + 241920^2 .

It is a cyclic number.

It is not a de Polignac number, because 102123144001 - 2¹ = 102123143999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102123144001.

It is not an unprimeable number, because it can be changed into a prime (102123744001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380042450 + ... + 1380042523.

It is an arithmetic number, because the mean of its divisors is an integer number (26220807253).

Almost surely, 2^102123144001 is an apocalyptic number.

It is an amenable number.

102123144001 is a deficient number, since it is larger than the sum of its proper divisors (2760085011).

102123144001 is an equidigital number, since it uses as much as digits as its factorization.

102123144001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760085010.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 102123144001 its reverse (100441321201), we get a palindrome (202564465202).

The spelling of 102123144001 in words is "one hundred two billion, one hundred twenty-three million, one hundred forty-four thousand, one".