403231340412 has 72 divisors (see below), whose sum is σ = 1024972380432. Its totient is φ = 133660396800.

The previous prime is 403231340411. The next prime is 403231340483. The reversal of 403231340412 is 214043132304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403231340411) 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, 15099712 + ... + 15126392.

It is an arithmetic number, because the mean of its divisors is an integer number (14235727506).

Almost surely, 2^403231340412 is an apocalyptic number.

It is an amenable number.

403231340412 is an abundant number, since it is smaller than the sum of its proper divisors (621741040020).

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

403231340412 is a wasteful number, since it uses less digits than its factorization.

403231340412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29019 (or 29014 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 403231340412 its reverse (214043132304), we get a palindrome (617274472716).

The spelling of 403231340412 in words is "four hundred three billion, two hundred thirty-one million, three hundred forty thousand, four hundred twelve".