23214121015 has 8 divisors (see below), whose sum is σ = 28192571568. Its totient is φ = 18347545920.

The previous prime is 23214121001. The next prime is 23214121019. The reversal of 23214121015 is 51012141232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-23214121015 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 (23214121019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27968406 + ... + 27969235.

It is an arithmetic number, because the mean of its divisors is an integer number (3524071446).

Almost surely, 2^23214121015 is an apocalyptic number.

23214121015 is a deficient number, since it is larger than the sum of its proper divisors (4978450553).

23214121015 is an equidigital number, since it uses as much as digits as its factorization.

23214121015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55937729.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 23214121015 its reverse (51012141232), we get a palindrome (74226262247).

The spelling of 23214121015 in words is "twenty-three billion, two hundred fourteen million, one hundred twenty-one thousand, fifteen".