102202100023 has 4 divisors (see below), whose sum is σ = 102228182560. Its totient is φ = 102176017488.

The previous prime is 102202099973. The next prime is 102202100053. The reversal of 102202100023 is 320001202201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320001202201 = 22777 ⋅14049313.

It is a cyclic number.

It is not a de Polignac number, because 102202100023 - 2²⁹ = 101665229111 is a prime.

It is a super-2 number, since 2×102202100023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102202099976 and 102202100012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202100053) 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, 13035390 + ... + 13043227.

It is an arithmetic number, because the mean of its divisors is an integer number (25557045640).

Almost surely, 2^102202100023 is an apocalyptic number.

102202100023 is a deficient number, since it is larger than the sum of its proper divisors (26082537).

102202100023 is an equidigital number, since it uses as much as digits as its factorization.

102202100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26082536.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 102202100023 its reverse (320001202201), we get a palindrome (422203302224).

The spelling of 102202100023 in words is "one hundred two billion, two hundred two million, one hundred thousand, twenty-three".