20231412515 has 32 divisors (see below), whose sum is σ = 25856020800. Its totient is φ = 15153523200.

The previous prime is 20231412503. The next prime is 20231412517. The reversal of 20231412515 is 51521413202.

It is not a de Polignac number, because 20231412515 - 2⁶ = 20231412451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20231412517) 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 31 ways as a sum of consecutive naturals, for example, 6263921 + ... + 6267149.

It is an arithmetic number, because the mean of its divisors is an integer number (808000650).

Almost surely, 2^20231412515 is an apocalyptic number.

20231412515 is a deficient number, since it is larger than the sum of its proper divisors (5624608285).

20231412515 is a wasteful number, since it uses less digits than its factorization.

20231412515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 20231412515 its reverse (51521413202), we get a palindrome (71752825717).

The spelling of 20231412515 in words is "twenty billion, two hundred thirty-one million, four hundred twelve thousand, five hundred fifteen".