2421544123 has 2 divisors, whose sum is σ = 2421544124. Its totient is φ = 2421544122.

The previous prime is 2421544117. The next prime is 2421544127. The reversal of 2421544123 is 3214451242.

2421544123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2421544123 - 2²¹ = 2419446971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2421544091 and 2421544100.

It is not a weakly prime, because it can be changed into another prime (2421544127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210772061 + 1210772062.

It is an arithmetic number, because the mean of its divisors is an integer number (1210772062).

Almost surely, 2^2421544123 is an apocalyptic number.

2421544123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421544123 is an equidigital number, since it uses as much as digits as its factorization.

2421544123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 28.

The square root of 2421544123 is about 49209.1873840648. The cubic root of 2421544123 is about 1342.8601792323.

Adding to 2421544123 its reverse (3214451242), we get a palindrome (5635995365).

The spelling of 2421544123 in words is "two billion, four hundred twenty-one million, five hundred forty-four thousand, one hundred twenty-three".