102434205623 has 8 divisors (see below), whose sum is σ = 105972829200. Its totient is φ = 98896009408.

The previous prime is 102434205613. The next prime is 102434205667. The reversal of 102434205623 is 326502434201.

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

It is a cyclic number.

It is not a de Polignac number, because 102434205623 - 2⁴ = 102434205607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102434205623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102434205613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425915 + ... + 621507.

It is an arithmetic number, because the mean of its divisors is an integer number (13246603650).

Almost surely, 2^102434205623 is an apocalyptic number.

102434205623 is a deficient number, since it is larger than the sum of its proper divisors (3538623577).

102434205623 is a wasteful number, since it uses less digits than its factorization.

102434205623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213681.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 102434205623 its reverse (326502434201), we get a palindrome (428936639824).

The spelling of 102434205623 in words is "one hundred two billion, four hundred thirty-four million, two hundred five thousand, six hundred twenty-three".