23143515315 has 8 divisors (see below), whose sum is σ = 37029624528. Its totient is φ = 12343208160.

The previous prime is 23143515313. The next prime is 23143515323. The reversal of 23143515315 is 51351534132.

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

It is not a de Polignac number, because 23143515315 - 2¹ = 23143515313 is a prime.

It is a super-2 number, since 2×23143515315² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (23143515313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771450496 + ... + 771450525.

It is an arithmetic number, because the mean of its divisors is an integer number (4628703066).

Almost surely, 2^23143515315 is an apocalyptic number.

23143515315 is a deficient number, since it is larger than the sum of its proper divisors (13886109213).

23143515315 is a wasteful number, since it uses less digits than its factorization.

23143515315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542901029.

The product of its digits is 27000, while the sum is 33.

The spelling of 23143515315 in words is "twenty-three billion, one hundred forty-three million, five hundred fifteen thousand, three hundred fifteen".