103434423021 has 24 divisors (see below), whose sum is σ = 160930238976. Its totient is φ = 63830495520.

The previous prime is 103434423007. The next prime is 103434423023. The reversal of 103434423021 is 120324434301.

103434423021 is a `hidden beast` number, since 10 + 3 + 4 + 344 + 2 + 302 + 1 = 666.

It is not a de Polignac number, because 103434423021 - 2²⁶ = 103367314157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103434423023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8052990 + ... + 8065823.

It is an arithmetic number, because the mean of its divisors is an integer number (6705426624).

Almost surely, 2^103434423021 is an apocalyptic number.

It is an amenable number.

103434423021 is a deficient number, since it is larger than the sum of its proper divisors (57495815955).

103434423021 is a wasteful number, since it uses less digits than its factorization.

103434423021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16118873 (or 16118870 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 103434423021 its reverse (120324434301), we get a palindrome (223758857322).

The spelling of 103434423021 in words is "one hundred three billion, four hundred thirty-four million, four hundred twenty-three thousand, twenty-one".