102423550 has 12 divisors (see below), whose sum is σ = 190507896. Its totient is φ = 40969400.

The previous prime is 102423533. The next prime is 102423551. The reversal of 102423550 is 55324201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102423551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1024186 + ... + 1024285.

It is an arithmetic number, because the mean of its divisors is an integer number (15875658).

Almost surely, 2^102423550 is an apocalyptic number.

102423550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102423550 is a deficient number, since it is larger than the sum of its proper divisors (88084346).

102423550 is a wasteful number, since it uses less digits than its factorization.

102423550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048483 (or 2048478 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 102423550 is about 10120.4520650018. The cubic root of 102423550 is about 467.8787002701.

Adding to 102423550 its reverse (55324201), we get a palindrome (157747751).

The spelling of 102423550 in words is "one hundred two million, four hundred twenty-three thousand, five hundred fifty".