23151224013109 has 4 divisors (see below), whose sum is σ = 23151233910816. Its totient is φ = 23151214115404.

The previous prime is 23151224013041. The next prime is 23151224013149. The reversal of 23151224013109 is 90131042215132.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23151224013109 - 2¹⁷ = 23151223882037 is a prime.

It is a super-3 number, since 3×23151224013109³ (a number of 41 digits) contains 333 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 (23151224013149) 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, 738102 + ... + 6844504.

It is an arithmetic number, because the mean of its divisors is an integer number (5787808477704).

Almost surely, 2^{23151224013109} is an apocalyptic number.

It is an amenable number.

23151224013109 is a deficient number, since it is larger than the sum of its proper divisors (9897707).

23151224013109 is an equidigital number, since it uses as much as digits as its factorization.

23151224013109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9897706.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 23151224013109 in words is "twenty-three trillion, one hundred fifty-one billion, two hundred twenty-four million, thirteen thousand, one hundred nine".