102280023 has 16 divisors (see below), whose sum is σ = 152370400. Its totient is φ = 67806720.

The previous prime is 102280019. The next prime is 102280033. The reversal of 102280023 is 320082201.

It is a happy number.

It is not a de Polignac number, because 102280023 - 2² = 102280019 is a prime.

It is a super-2 number, since 2×102280023² = 20922406209761058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102279978 and 102280005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102280033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5578 + ... + 15351.

It is an arithmetic number, because the mean of its divisors is an integer number (9523150).

Almost surely, 2^102280023 is an apocalyptic number.

102280023 is a deficient number, since it is larger than the sum of its proper divisors (50090377).

102280023 is a wasteful number, since it uses less digits than its factorization.

102280023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21119 (or 21113 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 102280023 is about 10113.3586409264. The cubic root of 102280023 is about 467.6600506264.

The spelling of 102280023 in words is "one hundred two million, two hundred eighty thousand, twenty-three".