23403000012 has 48 divisors (see below), whose sum is σ = 62703820032. Its totient is φ = 6654876480.

The previous prime is 23403000011. The next prime is 23403000013. The reversal of 23403000012 is 21000030432.

It is an interprime number because it is at equal distance from previous prime (23403000011) and next prime (23403000013).

It is a junction number, because it is equal to n+sod(n) for n = 23402999955 and 23403000000.

It is not an unprimeable number, because it can be changed into a prime (23403000011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642483 + ... + 677930.

It is an arithmetic number, because the mean of its divisors is an integer number (1306329584).

Almost surely, 2^23403000012 is an apocalyptic number.

It is an amenable number.

23403000012 is an abundant number, since it is smaller than the sum of its proper divisors (39300820020).

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

23403000012 is a wasteful number, since it uses less digits than its factorization.

23403000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320638 (or 1320636 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 23403000012 its reverse (21000030432), we get a palindrome (44403030444).

The spelling of 23403000012 in words is "twenty-three billion, four hundred three million, twelve", and thus it is an aban number.