102423123211 has 4 divisors (see below), whose sum is σ = 102594114000. Its totient is φ = 102252132424.

The previous prime is 102423123193. The next prime is 102423123247. The reversal of 102423123211 is 112321324201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112321324201 = 271 ⋅414469831.

It is a cyclic number.

It is not a de Polignac number, because 102423123211 - 2⁹ = 102423122699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102423123511) 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, 85494496 + ... + 85495693.

It is an arithmetic number, because the mean of its divisors is an integer number (25648528500).

Almost surely, 2^102423123211 is an apocalyptic number.

102423123211 is a deficient number, since it is larger than the sum of its proper divisors (170990789).

102423123211 is an equidigital number, since it uses as much as digits as its factorization.

102423123211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170990788.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 102423123211 its reverse (112321324201), we get a palindrome (214744447412).

The spelling of 102423123211 in words is "one hundred two billion, four hundred twenty-three million, one hundred twenty-three thousand, two hundred eleven".