403231120000 has 80 divisors (see below), whose sum is σ = 1003818870450. Its totient is φ = 161292416000.

The previous prime is 403231119989. The next prime is 403231120093. The reversal of 403231120000 is 21132304.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 9359401536 + 393871718464 = 96744^2 + 627592^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×403231120000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2440195 + ... + 2600194.

Almost surely, 2^403231120000 is an apocalyptic number.

403231120000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403231120000 is an abundant number, since it is smaller than the sum of its proper divisors (600587750450).

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

403231120000 is an frugal number, since it uses more digits than its factorization.

403231120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040423 (or 5040396 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 403231120000 its reverse (21132304), we get a palindrome (403252252304).

The spelling of 403231120000 in words is "four hundred three billion, two hundred thirty-one million, one hundred twenty thousand".