1401423232 has 32 divisors (see below), whose sum is σ = 3045709800. Its totient is φ = 637009920.

The previous prime is 1401423229. The next prime is 1401423301. The reversal of 1401423232 is 2323241041.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496257 + ... + 499072.

Almost surely, 2^1401423232 is an apocalyptic number.

It is an amenable number.

1401423232 is an abundant number, since it is smaller than the sum of its proper divisors (1644286568).

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

1401423232 is an equidigital number, since it uses as much as digits as its factorization.

1401423232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995354 (or 995342 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1401423232 is about 37435.5877742022. The cubic root of 1401423232 is about 1119.0678979576.

Adding to 1401423232 its reverse (2323241041), we get a palindrome (3724664273).

The spelling of 1401423232 in words is "one billion, four hundred one million, four hundred twenty-three thousand, two hundred thirty-two".