102423245 has 8 divisors (see below), whose sum is σ = 124389216. Its totient is φ = 80951056.

The previous prime is 102423241. The next prime is 102423253. The reversal of 102423245 is 542324201.

It is a happy number.

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 102423245 - 2² = 102423241 is a prime.

It is a super-2 number, since 2×102423245² = 20981042232660050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102423245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102423241) 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, 122987 + ... + 123816.

It is an arithmetic number, because the mean of its divisors is an integer number (15548652).

Almost surely, 2^102423245 is an apocalyptic number.

It is an amenable number.

102423245 is a deficient number, since it is larger than the sum of its proper divisors (21965971).

102423245 is an equidigital number, since it uses as much as digits as its factorization.

102423245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246891.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 102423245 is about 10120.4369964938. The cubic root of 102423245 is about 467.8782358484.

Adding to 102423245 its reverse (542324201), we get a palindrome (644747446).

The spelling of 102423245 in words is "one hundred two million, four hundred twenty-three thousand, two hundred forty-five".