18057243423 has 8 divisors (see below), whose sum is σ = 24077281536. Its totient is φ = 12037683800.

The previous prime is 18057243419. The next prime is 18057243437. The reversal of 18057243423 is 32434275081.

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 18057243423 - 2² = 18057243419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18057243823) 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, 19623 + ... + 191048.

It is an arithmetic number, because the mean of its divisors is an integer number (3009660192).

Almost surely, 2^18057243423 is an apocalyptic number.

18057243423 is a deficient number, since it is larger than the sum of its proper divisors (6020038113).

18057243423 is a wasteful number, since it uses less digits than its factorization.

18057243423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239245.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 18057243423 in words is "eighteen billion, fifty-seven million, two hundred forty-three thousand, four hundred twenty-three".