123414433030421 has 16 divisors (see below), whose sum is σ = 132969369799728. Its totient is φ = 113868289689600.

The previous prime is 123414433030373. The next prime is 123414433030423. The reversal of 123414433030421 is 124030334414321.

It can be written as a sum of positive squares in 8 ways, for example, as 22019884726225 + 101394548304196 = 4692535^2 + 10069486^2 .

It is a cyclic number.

It is not a de Polignac number, because 123414433030421 - 2²² = 123414428836117 is a prime.

It is a super-2 number, since 2×123414433030421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123414433030423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663793145 + ... + 663979041.

It is an arithmetic number, because the mean of its divisors is an integer number (8310585612483).

Almost surely, 2^{123414433030421} is an apocalyptic number.

It is an amenable number.

123414433030421 is a deficient number, since it is larger than the sum of its proper divisors (9554936769307).

123414433030421 is a wasteful number, since it uses less digits than its factorization.

123414433030421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209272.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 123414433030421 its reverse (124030334414321), we get a palindrome (247444767444742).

The spelling of 123414433030421 in words is "one hundred twenty-three trillion, four hundred fourteen billion, four hundred thirty-three million, thirty thousand, four hundred twenty-one".