12423714898 has 48 divisors (see below), whose sum is σ = 22527348480. Its totient is φ = 5117533344.

The previous prime is 12423714893. The next prime is 12423715009. The reversal of 12423714898 is 89841732421.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (12423714893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 623965 + ... + 643567.

It is an arithmetic number, because the mean of its divisors is an integer number (469319760).

Almost surely, 2^12423714898 is an apocalyptic number.

12423714898 is a deficient number, since it is larger than the sum of its proper divisors (10103633582).

12423714898 is a wasteful number, since it uses less digits than its factorization.

12423714898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19871 (or 19864 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The spelling of 12423714898 in words is "twelve billion, four hundred twenty-three million, seven hundred fourteen thousand, eight hundred ninety-eight".