23103321213 has 32 divisors (see below), whose sum is σ = 35925866496. Its totient is φ = 12932382528.

The previous prime is 23103321211. The next prime is 23103321217. The reversal of 23103321213 is 31212330132.

It is not a de Polignac number, because 23103321213 - 2¹ = 23103321211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 23103321213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103321211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 704070 + ... + 736152.

It is an arithmetic number, because the mean of its divisors is an integer number (1122683328).

Almost surely, 2^23103321213 is an apocalyptic number.

It is an amenable number.

23103321213 is a deficient number, since it is larger than the sum of its proper divisors (12822545283).

23103321213 is a wasteful number, since it uses less digits than its factorization.

23103321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32793.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23103321213 its reverse (31212330132), we get a palindrome (54315651345).

The spelling of 23103321213 in words is "twenty-three billion, one hundred three million, three hundred twenty-one thousand, two hundred thirteen".