20230440301515 has 8 divisors (see below), whose sum is σ = 32368704482448. Its totient is φ = 10789568160800.

The previous prime is 20230440301493. The next prime is 20230440301517. The reversal of 20230440301515 is 51510304403202.

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

It is not a de Polignac number, because 20230440301515 - 2⁵ = 20230440301483 is a prime.

It is a super-2 number, since 2×20230440301515² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20230440301517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674348010036 + ... + 674348010065.

It is an arithmetic number, because the mean of its divisors is an integer number (4046088060306).

Almost surely, 2^{20230440301515} is an apocalyptic number.

20230440301515 is a deficient number, since it is larger than the sum of its proper divisors (12138264180933).

20230440301515 is a wasteful number, since it uses less digits than its factorization.

20230440301515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348696020109.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 20230440301515 its reverse (51510304403202), we get a palindrome (71740744704717).

The spelling of 20230440301515 in words is "twenty trillion, two hundred thirty billion, four hundred forty million, three hundred one thousand, five hundred fifteen".