23214244021 has 16 divisors (see below), whose sum is σ = 23721191424. Its totient is φ = 22713372864.

The previous prime is 23214244003. The next prime is 23214244051. The reversal of 23214244021 is 12044241232.

It is a cyclic number.

It is not a de Polignac number, because 23214244021 - 2¹³ = 23214235829 is a prime.

It is a super-2 number, since 2×23214244021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23214244051) 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, 7134631 + ... + 7137883.

It is an arithmetic number, because the mean of its divisors is an integer number (1482574464).

Almost surely, 2^23214244021 is an apocalyptic number.

It is an amenable number.

23214244021 is a deficient number, since it is larger than the sum of its proper divisors (506947403).

23214244021 is a wasteful number, since it uses less digits than its factorization.

23214244021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 23214244021 its reverse (12044241232), we get a palindrome (35258485253).

The spelling of 23214244021 in words is "twenty-three billion, two hundred fourteen million, two hundred forty-four thousand, twenty-one".