1401323432 has 16 divisors (see below), whose sum is σ = 2631590100. Its totient is φ = 699566080.

The previous prime is 1401323419. The next prime is 1401323479. The reversal of 1401323432 is 2343231041.

It can be written as a sum of positive squares in 2 ways, for example, as 1312323076 + 89000356 = 36226^2 + 9434^2 .

It is a super-2 number, since 2×1401323432² = 3927414722144517248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1401323398 and 1401323407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131507 + ... + 141762.

Almost surely, 2^1401323432 is an apocalyptic number.

It is an amenable number.

1401323432 is a deficient number, since it is larger than the sum of its proper divisors (1230266668).

1401323432 is a wasteful number, since it uses less digits than its factorization.

1401323432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273916 (or 273912 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1401323432 is about 37434.2547942389. The cubic root of 1401323432 is about 1119.0413331472.

Adding to 1401323432 its reverse (2343231041), we get a palindrome (3744554473).

The spelling of 1401323432 in words is "one billion, four hundred one million, three hundred twenty-three thousand, four hundred thirty-two".