102423450 has 48 divisors (see below), whose sum is σ = 255162240. Its totient is φ = 27189120.

The previous prime is 102423443. The next prime is 102423457. The reversal of 102423450 is 54324201.

It is an interprime number because it is at equal distance from previous prime (102423443) and next prime (102423457).

It is not an unprimeable number, because it can be changed into a prime (102423457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34422 + ... + 37278.

It is an arithmetic number, because the mean of its divisors is an integer number (5315880).

Almost surely, 2^102423450 is an apocalyptic number.

102423450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102423450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127581120).

102423450 is an abundant number, since it is smaller than the sum of its proper divisors (152738790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102423450 is a wasteful number, since it uses less digits than its factorization.

102423450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111 (or 3106 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 102423450 is about 10120.4471245099. The cubic root of 102423450 is about 467.8785480008.

Adding to 102423450 its reverse (54324201), we get a palindrome (156747651).

The spelling of 102423450 in words is "one hundred two million, four hundred twenty-three thousand, four hundred fifty".