102423201433434 has 240 divisors, whose sum is σ = 278679438576000. Its totient is φ = 27537492670272.

The previous prime is 102423201433433. The next prime is 102423201433517. The reversal of 102423201433434 is 434334102324201.

102423201433434 is a `hidden beast` number, since 1 + 0 + 242 + 32 + 0 + 1 + 43 + 343 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (102423201433433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 60157147 + ... + 61836305.

It is an arithmetic number, because the mean of its divisors is an integer number (1161164327400).

Almost surely, 2^{102423201433434} is an apocalyptic number.

102423201433434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102423201433434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139339719288000).

102423201433434 is an abundant number, since it is smaller than the sum of its proper divisors (176256237142566).

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

102423201433434 is a wasteful number, since it uses less digits than its factorization.

102423201433434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679367 (or 1679339 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 102423201433434 its reverse (434334102324201), we get a palindrome (536757303757635).

The spelling of 102423201433434 in words is "one hundred two trillion, four hundred twenty-three billion, two hundred one million, four hundred thirty-three thousand, four hundred thirty-four".