20232124213 has 4 divisors (see below), whose sum is σ = 23122427680. Its totient is φ = 17341820748.

The previous prime is 20232124207. The next prime is 20232124267. The reversal of 20232124213 is 31242123202.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31242123202 = 2 ⋅15621061601.

It is a de Polignac number, because none of the positive numbers 2^k-20232124213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232124313) 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, 1445151723 + ... + 1445151736.

It is an arithmetic number, because the mean of its divisors is an integer number (5780606920).

Almost surely, 2^20232124213 is an apocalyptic number.

It is an amenable number.

20232124213 is a deficient number, since it is larger than the sum of its proper divisors (2890303467).

20232124213 is an equidigital number, since it uses as much as digits as its factorization.

20232124213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890303466.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20232124213 its reverse (31242123202), we get a palindrome (51474247415).

The spelling of 20232124213 in words is "twenty billion, two hundred thirty-two million, one hundred twenty-four thousand, two hundred thirteen".