23142343999 has 4 divisors (see below), whose sum is σ = 23146696936. Its totient is φ = 23137991064.

The previous prime is 23142343979. The next prime is 23142344011. The reversal of 23142343999 is 99934324132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23142343999 - 2²³ = 23133955391 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 (23142343979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168484 + ... + 2179129.

It is an arithmetic number, because the mean of its divisors is an integer number (5786674234).

Almost surely, 2^23142343999 is an apocalyptic number.

23142343999 is a deficient number, since it is larger than the sum of its proper divisors (4352937).

23142343999 is an equidigital number, since it uses as much as digits as its factorization.

23142343999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352936.

The product of its digits is 1259712, while the sum is 49.

The spelling of 23142343999 in words is "twenty-three billion, one hundred forty-two million, three hundred forty-three thousand, nine hundred ninety-nine".