1434400223021 has 8 divisors (see below), whose sum is σ = 1444468690200. Its totient is φ = 1424343555648.

The previous prime is 1434400222999. The next prime is 1434400223029. The reversal of 1434400223021 is 1203220044341.

It can be written as a sum of positive squares in 4 ways, for example, as 8352100 + 1434391870921 = 2890^2 + 1197661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1434400223021 - 2³⁸ = 1159522316077 is a prime.

It is a super-6 number, since 6×1434400223021⁶ (a number of 74 digits) contains 666666 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434400223029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2705906 + ... + 3192291.

It is an arithmetic number, because the mean of its divisors is an integer number (180558586275).

Almost surely, 2^{1434400223021} is an apocalyptic number.

It is an amenable number.

1434400223021 is a deficient number, since it is larger than the sum of its proper divisors (10068467179).

1434400223021 is a wasteful number, since it uses less digits than its factorization.

1434400223021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5899903.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1434400223021 its reverse (1203220044341), we get a palindrome (2637620267362).

The spelling of 1434400223021 in words is "one trillion, four hundred thirty-four billion, four hundred million, two hundred twenty-three thousand, twenty-one".