23343002421 has 16 divisors (see below), whose sum is σ = 31231457280. Its totient is φ = 15508344320.

The previous prime is 23343002411. The next prime is 23343002429. The reversal of 23343002421 is 12420034332.

It is a cyclic number.

It is not a de Polignac number, because 23343002421 - 2⁶ = 23343002357 is a prime.

It is a super-2 number, since 2×23343002421² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23343002391 and 23343002400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23343002429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1473181 + ... + 1488941.

It is an arithmetic number, because the mean of its divisors is an integer number (1951966080).

Almost surely, 2^23343002421 is an apocalyptic number.

It is an amenable number.

23343002421 is a deficient number, since it is larger than the sum of its proper divisors (7888454859).

23343002421 is a wasteful number, since it uses less digits than its factorization.

23343002421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17436.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23343002421 its reverse (12420034332), we get a palindrome (35763036753).

The spelling of 23343002421 in words is "twenty-three billion, three hundred forty-three million, two thousand, four hundred twenty-one".