1400204444123 has 16 divisors (see below), whose sum is σ = 1419381943200. Its totient is φ = 1381151331840.

The previous prime is 1400204444077. The next prime is 1400204444129. The reversal of 1400204444123 is 3214444020041.

It is a cyclic number.

It is not a de Polignac number, because 1400204444123 - 2⁸ = 1400204443867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400204444129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66726293 + ... + 66747273.

It is an arithmetic number, because the mean of its divisors is an integer number (88711371450).

Almost surely, 2^{1400204444123} is an apocalyptic number.

1400204444123 is a deficient number, since it is larger than the sum of its proper divisors (19177499077).

1400204444123 is a wasteful number, since it uses less digits than its factorization.

1400204444123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23902.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 1400204444123 its reverse (3214444020041), we get a palindrome (4614648464164).

The spelling of 1400204444123 in words is "one trillion, four hundred billion, two hundred four million, four hundred forty-four thousand, one hundred twenty-three".