23200010421 has 16 divisors (see below), whose sum is σ = 36104577024. Its totient is φ = 12975081264.

The previous prime is 23200010417. The next prime is 23200010447. The reversal of 23200010421 is 12401000232.

It is not a de Polignac number, because 23200010421 - 2² = 23200010417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23200010421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23200011421) 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, 11751805 + ... + 11753778.

It is an arithmetic number, because the mean of its divisors is an integer number (2256536064).

Almost surely, 2^23200010421 is an apocalyptic number.

23200010421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23200010421 is a deficient number, since it is larger than the sum of its proper divisors (12904566603).

23200010421 is a wasteful number, since it uses less digits than its factorization.

23200010421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23505640.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 23200010421 its reverse (12401000232), we get a palindrome (35601010653).

The spelling of 23200010421 in words is "twenty-three billion, two hundred million, ten thousand, four hundred twenty-one".