23103240012 has 24 divisors (see below), whose sum is σ = 59897289200. Its totient is φ = 7701079968.

The previous prime is 23103240007. The next prime is 23103240029. The reversal of 23103240012 is 21004230132.

23103240012 is a `hidden beast` number, since 231 + 0 + 32 + 400 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106959337 + ... + 106959552.

Almost surely, 2^23103240012 is an apocalyptic number.

It is an amenable number.

23103240012 is an abundant number, since it is smaller than the sum of its proper divisors (36794049188).

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

23103240012 is a wasteful number, since it uses less digits than its factorization.

23103240012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213918902 (or 213918894 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23103240012 its reverse (21004230132), we get a palindrome (44107470144).

The spelling of 23103240012 in words is "twenty-three billion, one hundred three million, two hundred forty thousand, twelve".