103440434 has 8 divisors (see below), whose sum is σ = 155330460. Its totient is φ = 51663616.

The previous prime is 103440433. The next prime is 103440437. The reversal of 103440434 is 434044301.

103440434 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 2 ways, for example, as 102111025 + 1329409 = 10105^2 + 1153^2 .

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

It is a super-2 number, since 2×103440434² = 21399846772216712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103440433) 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, 25979 + ... + 29694.

Almost surely, 2^103440434 is an apocalyptic number.

103440434 is a deficient number, since it is larger than the sum of its proper divisors (51890026).

103440434 is an equidigital number, since it uses as much as digits as its factorization.

103440434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56604.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 103440434 is about 10170.5670441721. The cubic root of 103440434 is about 469.4220056494.

Adding to 103440434 its reverse (434044301), we get a palindrome (537484735).

The spelling of 103440434 in words is "one hundred three million, four hundred forty thousand, four hundred thirty-four".