2421123342 has 64 divisors (see below), whose sum is σ = 5551628544. Its totient is φ = 697213440.

The previous prime is 2421123311. The next prime is 2421123371. The reversal of 2421123342 is 2433211242.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93478 + ... + 116534.

It is an arithmetic number, because the mean of its divisors is an integer number (86744196).

Almost surely, 2^2421123342 is an apocalyptic number.

2421123342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421123342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2775814272).

2421123342 is an abundant number, since it is smaller than the sum of its proper divisors (3130505202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2421123342 is a wasteful number, since it uses less digits than its factorization.

2421123342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23153.

The product of its digits is 2304, while the sum is 24.

The square root of 2421123342 is about 49204.9117670177. The cubic root of 2421123342 is about 1342.7823937708.

Adding to 2421123342 its reverse (2433211242), we get a palindrome (4854334584).

The spelling of 2421123342 in words is "two billion, four hundred twenty-one million, one hundred twenty-three thousand, three hundred forty-two".