3123142401 has 4 divisors (see below), whose sum is σ = 4164189872. Its totient is φ = 2082094932.

The previous prime is 3123142397. The next prime is 3123142409. The reversal of 3123142401 is 1042413213.

3123142401 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 3123142401 - 2² = 3123142397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3123142409) 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, 520523731 + ... + 520523736.

It is an arithmetic number, because the mean of its divisors is an integer number (1041047468).

Almost surely, 2^3123142401 is an apocalyptic number.

It is an amenable number.

3123142401 is a deficient number, since it is larger than the sum of its proper divisors (1041047471).

3123142401 is a wasteful number, since it uses less digits than its factorization.

3123142401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041047470.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3123142401 is about 55885.0820971035. The cubic root of 3123142401 is about 1461.7191235581.

Adding to 3123142401 its reverse (1042413213), we get a palindrome (4165555614).

The spelling of 3123142401 in words is "three billion, one hundred twenty-three million, one hundred forty-two thousand, four hundred one".