2420443123 has 8 divisors (see below), whose sum is σ = 2766670592. Its totient is φ = 2074328136.

The previous prime is 2420443093. The next prime is 2420443133. The reversal of 2420443123 is 3213440242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2420443123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2420443133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24586 + ... + 73792.

It is an arithmetic number, because the mean of its divisors is an integer number (345833824).

Almost surely, 2^2420443123 is an apocalyptic number.

2420443123 is a deficient number, since it is larger than the sum of its proper divisors (346227469).

2420443123 is an equidigital number, since it uses as much as digits as its factorization.

2420443123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56241.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2420443123 is about 49197.9991767958. Note that the first 3 decimals coincide. The cubic root of 2420443123 is about 1342.6566296082.

Adding to 2420443123 its reverse (3213440242), we get a palindrome (5633883365).

The spelling of 2420443123 in words is "two billion, four hundred twenty million, four hundred forty-three thousand, one hundred twenty-three".