23224013401421 has 4 divisors (see below), whose sum is σ = 26541729601632. Its totient is φ = 19906297201212.

The previous prime is 23224013401411. The next prime is 23224013401423. The reversal of 23224013401421 is 12410431042232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23224013401421 - 2¹⁰ = 23224013400397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23224013401423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1658858100095 + ... + 1658858100108.

It is an arithmetic number, because the mean of its divisors is an integer number (6635432400408).

Almost surely, 2^{23224013401421} is an apocalyptic number.

It is an amenable number.

23224013401421 is a deficient number, since it is larger than the sum of its proper divisors (3317716200211).

23224013401421 is an equidigital number, since it uses as much as digits as its factorization.

23224013401421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317716200210.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 23224013401421 its reverse (12410431042232), we get a palindrome (35634444443653).

The spelling of 23224013401421 in words is "twenty-three trillion, two hundred twenty-four billion, thirteen million, four hundred one thousand, four hundred twenty-one".