23103122321013 has 32 divisors (see below), whose sum is σ = 35869496530176. Its totient is φ = 12952514085888.

The previous prime is 23103122320951. The next prime is 23103122321029. The reversal of 23103122321013 is 31012322130132.

It is not a de Polignac number, because 23103122321013 - 2²⁰ = 23103121272437 is a prime.

It is a super-4 number, since 4×23103122321013⁴ (a number of 55 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103122321053) 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, 157613245 + ... + 157759757.

It is an arithmetic number, because the mean of its divisors is an integer number (1120921766568).

Almost surely, 2^{23103122321013} is an apocalyptic number.

It is an amenable number.

23103122321013 is a deficient number, since it is larger than the sum of its proper divisors (12766374209163).

23103122321013 is a wasteful number, since it uses less digits than its factorization.

23103122321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288253.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 23103122321013 its reverse (31012322130132), we get a palindrome (54115444451145).

The spelling of 23103122321013 in words is "twenty-three trillion, one hundred three billion, one hundred twenty-two million, three hundred twenty-one thousand, thirteen".