23143949969 has 8 divisors (see below), whose sum is σ = 26530141248. Its totient is φ = 19777736880.

The previous prime is 23143949947. The next prime is 23143949981. The reversal of 23143949969 is 96994934132.

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

It is a cyclic number.

It is not a de Polignac number, because 23143949969 - 2¹⁶ = 23143884433 is a prime.

It is a super-2 number, since 2×23143949969² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23143949999) 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, 4992062 + ... + 4996695.

It is an arithmetic number, because the mean of its divisors is an integer number (3316267656).

Almost surely, 2^23143949969 is an apocalyptic number.

It is an amenable number.

23143949969 is a deficient number, since it is larger than the sum of its proper divisors (3386191279).

23143949969 is an equidigital number, since it uses as much as digits as its factorization.

23143949969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9989095.

The product of its digits is 11337408, while the sum is 59.

The spelling of 23143949969 in words is "twenty-three billion, one hundred forty-three million, nine hundred forty-nine thousand, nine hundred sixty-nine".