23214122515 has 4 divisors (see below), whose sum is σ = 27856947024. Its totient is φ = 18571298008.

The previous prime is 23214122501. The next prime is 23214122543. The reversal of 23214122515 is 51522141232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23214122515 - 2¹³ = 23214114323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2321412247 + ... + 2321412256.

It is an arithmetic number, because the mean of its divisors is an integer number (6964236756).

Almost surely, 2^23214122515 is an apocalyptic number.

23214122515 is a deficient number, since it is larger than the sum of its proper divisors (4642824509).

23214122515 is an equidigital number, since it uses as much as digits as its factorization.

23214122515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642824508.

The product of its digits is 4800, while the sum is 28.

Adding to 23214122515 its reverse (51522141232), we get a palindrome (74736263747).

The spelling of 23214122515 in words is "twenty-three billion, two hundred fourteen million, one hundred twenty-two thousand, five hundred fifteen".