102020023 has 8 divisors (see below), whose sum is σ = 117434240. Its totient is φ = 86815800.

The previous prime is 102020021. The next prime is 102020053. The reversal of 102020023 is 320020201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102020023 - 2¹ = 102020021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102019991 and 102020009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51453 + ... + 53398.

It is an arithmetic number, because the mean of its divisors is an integer number (14679280).

Almost surely, 2^102020023 is an apocalyptic number.

102020023 is a deficient number, since it is larger than the sum of its proper divisors (15414217).

102020023 is a wasteful number, since it uses less digits than its factorization.

102020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104997.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 102020023 is about 10100.4961759312. The cubic root of 102020023 is about 467.2634440503.

Adding to 102020023 its reverse (320020201), we get a palindrome (422040224).

The spelling of 102020023 in words is "one hundred two million, twenty thousand, twenty-three".