12423504240 has 120 divisors (see below), whose sum is σ = 47682611808. Its totient is φ = 2839656960.

The previous prime is 12423504209. The next prime is 12423504263. The reversal of 12423504240 is 4240532421.

12423504240 is a `hidden beast` number, since 1 + 2 + 4 + 235 + 0 + 424 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1227451 + ... + 1237530.

Almost surely, 2^12423504240 is an apocalyptic number.

12423504240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12423504240 is an abundant number, since it is smaller than the sum of its proper divisors (35259107568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12423504240 is a wasteful number, since it uses less digits than its factorization.

12423504240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465007 (or 2464998 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The spelling of 12423504240 in words is "twelve billion, four hundred twenty-three million, five hundred four thousand, two hundred forty".