23143915247 has 8 divisors (see below), whose sum is σ = 23958301440. Its totient is φ = 22330617120.

The previous prime is 23143915213. The next prime is 23143915253. The reversal of 23143915247 is 74251934132.

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

It is not a de Polignac number, because 23143915247 - 2¹² = 23143911151 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 (23143915297) 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, 228608 + ... + 313925.

It is an arithmetic number, because the mean of its divisors is an integer number (2994787680).

Almost surely, 2^23143915247 is an apocalyptic number.

23143915247 is a deficient number, since it is larger than the sum of its proper divisors (814386193).

23143915247 is a wasteful number, since it uses less digits than its factorization.

23143915247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544033.

The product of its digits is 181440, while the sum is 41.

The spelling of 23143915247 in words is "twenty-three billion, one hundred forty-three million, nine hundred fifteen thousand, two hundred forty-seven".