1401023333421 has 6 divisors (see below), whose sum is σ = 2023700370510. Its totient is φ = 934015555608.

The previous prime is 1401023333317. The next prime is 1401023333459. The reversal of 1401023333421 is 1243333201041.

It is a happy number.

1401023333421 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 0 + 233 + 3 + 3 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1225282955625 + 175740377796 = 1106925^2 + 419214^2 .

It is not a de Polignac number, because 1401023333421 - 2⁹ = 1401023332909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401023335421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77834629626 + ... + 77834629643.

It is an arithmetic number, because the mean of its divisors is an integer number (337283395085).

Almost surely, 2^{1401023333421} is an apocalyptic number.

It is an amenable number.

1401023333421 is a deficient number, since it is larger than the sum of its proper divisors (622677037089).

1401023333421 is a wasteful number, since it uses less digits than its factorization.

1401023333421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155669259275 (or 155669259272 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1401023333421 its reverse (1243333201041), we get a palindrome (2644356534462).

The spelling of 1401023333421 in words is "one trillion, four hundred one billion, twenty-three million, three hundred thirty-three thousand, four hundred twenty-one".