102013223320123 has 4 divisors (see below), whose sum is σ = 102041103406680. Its totient is φ = 101985343233568.

The previous prime is 102013223320121. The next prime is 102013223320139. The reversal of 102013223320123 is 321023322310201.

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 102013223320123 - 2¹ = 102013223320121 is a prime.

It is a super-2 number, since 2×102013223320123² (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 (102013223320121) 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, 13940037790 + ... + 13940045107.

It is an arithmetic number, because the mean of its divisors is an integer number (25510275851670).

Almost surely, 2^{102013223320123} is an apocalyptic number.

102013223320123 is a deficient number, since it is larger than the sum of its proper divisors (27880086557).

102013223320123 is an equidigital number, since it uses as much as digits as its factorization.

102013223320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27880086556.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 102013223320123 its reverse (321023322310201), we get a palindrome (423036545630324).

The spelling of 102013223320123 in words is "one hundred two trillion, thirteen billion, two hundred twenty-three million, three hundred twenty thousand, one hundred twenty-three".