403023012 has 48 divisors (see below), whose sum is σ = 1137951360. Its totient is φ = 108375552.

The previous prime is 403023011. The next prime is 403023013. The reversal of 403023012 is 210320304.

It is an interprime number because it is at equal distance from previous prime (403023011) and next prime (403023013).

It is a junction number, because it is equal to n+sod(n) for n = 403022982 and 403023000.

It is not an unprimeable number, because it can be changed into a prime (403023011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139687 + ... + 142542.

It is an arithmetic number, because the mean of its divisors is an integer number (23707320).

Almost surely, 2^403023012 is an apocalyptic number.

403023012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

403023012 is an abundant number, since it is smaller than the sum of its proper divisors (734928348).

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

403023012 is a wasteful number, since it uses less digits than its factorization.

403023012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282260 (or 282258 counting only the distinct ones).

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

The square root of 403023012 is about 20075.4330463878. The cubic root of 403023012 is about 738.6577885427.

Adding to 403023012 its reverse (210320304), we get a palindrome (613343316).

The spelling of 403023012 in words is "four hundred three million, twenty-three thousand, twelve".