103433421 has 32 divisors (see below), whose sum is σ = 170598400. Its totient is φ = 54281664.

The previous prime is 103433419. The next prime is 103433441. The reversal of 103433421 is 124334301.

It is not a de Polignac number, because 103433421 - 2¹ = 103433419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103433411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60030 + ... + 61728.

It is an arithmetic number, because the mean of its divisors is an integer number (5331200).

Almost surely, 2^103433421 is an apocalyptic number.

It is an amenable number.

103433421 is a deficient number, since it is larger than the sum of its proper divisors (67164979).

103433421 is a wasteful number, since it uses less digits than its factorization.

103433421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 103433421 is about 10170.2222689575. Note that the first 4 decimals coincide. The cubic root of 103433421 is about 469.4113968678.

Adding to 103433421 its reverse (124334301), we get a palindrome (227767722).

The spelling of 103433421 in words is "one hundred three million, four hundred thirty-three thousand, four hundred twenty-one".