102423302144 has 26 divisors (see below), whose sum is σ = 204821606790. Its totient is φ = 51211649024.

The previous prime is 102423302141. The next prime is 102423302153. The reversal of 102423302144 is 441203324201.

It can be written as a sum of positive squares in only one way, i.e., 91136364544 + 11286937600 = 301888^2 + 106240^2 .

It is a super-2 number, since 2×102423302144² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102423302141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12498749 + ... + 12506940.

Almost surely, 2^102423302144 is an apocalyptic number.

It is an amenable number.

102423302144 is a deficient number, since it is larger than the sum of its proper divisors (102398304646).

102423302144 is an frugal number, since it uses more digits than its factorization.

102423302144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25005713 (or 25005691 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 102423302144 its reverse (441203324201), we get a palindrome (543626626345).

The spelling of 102423302144 in words is "one hundred two billion, four hundred twenty-three million, three hundred two thousand, one hundred forty-four".