4123041010421 has 4 divisors (see below), whose sum is σ = 4302303663072. Its totient is φ = 3943778357772.

The previous prime is 4123041010381. The next prime is 4123041010447. The reversal of 4123041010421 is 1240101403214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4123041010421 is a prime.

It is a super-2 number, since 2×4123041010421² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 179262652627 = 4123041010421 / (4 + 1 + 2 + 3 + 0 + 4 + 1 + 0 + 1 + 0 + 4 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4123041010021) 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, 89631326291 + ... + 89631326336.

It is an arithmetic number, because the mean of its divisors is an integer number (1075575915768).

Almost surely, 2^{4123041010421} is an apocalyptic number.

It is an amenable number.

4123041010421 is a deficient number, since it is larger than the sum of its proper divisors (179262652651).

4123041010421 is a wasteful number, since it uses less digits than its factorization.

4123041010421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179262652650.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 4123041010421 its reverse (1240101403214), we get a palindrome (5363142413635).

The spelling of 4123041010421 in words is "four trillion, one hundred twenty-three billion, forty-one million, ten thousand, four hundred twenty-one".