23334242421 has 48 divisors (see below), whose sum is σ = 38236803840. Its totient is φ = 12600040320.

The previous prime is 23334242419. The next prime is 23334242423. The reversal of 23334242421 is 12424243332.

It is an interprime number because it is at equal distance from previous prime (23334242419) and next prime (23334242423).

It is not a de Polignac number, because 23334242421 - 2¹ = 23334242419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23334242423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142131 + ... + 258591.

It is an arithmetic number, because the mean of its divisors is an integer number (796600080).

Almost surely, 2^23334242421 is an apocalyptic number.

23334242421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23334242421 is a deficient number, since it is larger than the sum of its proper divisors (14902561419).

23334242421 is a wasteful number, since it uses less digits than its factorization.

23334242421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116554 (or 116547 counting only the distinct ones).

The product of its digits is 27648, while the sum is 30.

Adding to 23334242421 its reverse (12424243332), we get a palindrome (35758485753).

The spelling of 23334242421 in words is "twenty-three billion, three hundred thirty-four million, two hundred forty-two thousand, four hundred twenty-one".