102423122 has 8 divisors (see below), whose sum is σ = 153817356. Its totient is φ = 51150672.

The previous prime is 102423121. The next prime is 102423127. The reversal of 102423122 is 221324201.

It can be written as a sum of positive squares in 2 ways, for example, as 101384761 + 1038361 = 10069^2 + 1019^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 102423122.

It is not an unprimeable number, because it can be changed into a prime (102423121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28313 + ... + 31724.

Almost surely, 2^102423122 is an apocalyptic number.

102423122 is a deficient number, since it is larger than the sum of its proper divisors (51394234).

102423122 is an equidigital number, since it uses as much as digits as its factorization.

102423122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60892.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 102423122 is about 10120.4309196793. The cubic root of 102423122 is about 467.8780485568.

Adding to 102423122 its reverse (221324201), we get a palindrome (323747323).

The spelling of 102423122 in words is "one hundred two million, four hundred twenty-three thousand, one hundred twenty-two".