102023020213 has 4 divisors (see below), whose sum is σ = 103033149228. Its totient is φ = 101012891200.

The previous prime is 102023020189. The next prime is 102023020219. The reversal of 102023020213 is 312020320201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312020320201 = 101 ⋅3089310101.

It can be written as a sum of positive squares in 2 ways, for example, as 79601851044 + 22421169169 = 282138^2 + 149737^2 .

It is a cyclic number.

It is not a de Polignac number, because 102023020213 - 2⁵ = 102023020181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102023020219) 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, 505064356 + ... + 505064557.

It is an arithmetic number, because the mean of its divisors is an integer number (25758287307).

Almost surely, 2^102023020213 is an apocalyptic number.

It is an amenable number.

102023020213 is a deficient number, since it is larger than the sum of its proper divisors (1010129015).

102023020213 is a wasteful number, since it uses less digits than its factorization.

102023020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010129014.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 102023020213 its reverse (312020320201), we get a palindrome (414043340414).

The spelling of 102023020213 in words is "one hundred two billion, twenty-three million, twenty thousand, two hundred thirteen".