10203400434 has 8 divisors (see below), whose sum is σ = 20406800880. Its totient is φ = 3401133476.

The previous prime is 10203400409. The next prime is 10203400439. The reversal of 10203400434 is 43400430201.

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

10203400434 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 10203400434.

It is not an unprimeable number, because it can be changed into a prime (10203400439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850283364 + ... + 850283375.

It is an arithmetic number, because the mean of its divisors is an integer number (2550850110).

Almost surely, 2^10203400434 is an apocalyptic number.

10203400434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10203400434 is a wasteful number, since it uses less digits than its factorization.

10203400434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700566744.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 10203400434 its reverse (43400430201), we get a palindrome (53603830635).

The spelling of 10203400434 in words is "ten billion, two hundred three million, four hundred thousand, four hundred thirty-four".