103400433 has 12 divisors (see below), whose sum is σ = 155850240. Its totient is φ = 65936376.

The previous prime is 103400431. The next prime is 103400491. The reversal of 103400433 is 334004301.

It is not a de Polignac number, because 103400433 - 2¹ = 103400431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103400431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249553 + ... + 249966.

It is an arithmetic number, because the mean of its divisors is an integer number (12987520).

Almost surely, 2^103400433 is an apocalyptic number.

It is an amenable number.

103400433 is a deficient number, since it is larger than the sum of its proper divisors (52449807).

103400433 is a wasteful number, since it uses less digits than its factorization.

103400433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499548 (or 499545 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 103400433 is about 10168.6003461637. The cubic root of 103400433 is about 469.3614884678.

Adding to 103400433 its reverse (334004301), we get a palindrome (437404734).

The spelling of 103400433 in words is "one hundred three million, four hundred thousand, four hundred thirty-three".