1404402220023 has 32 divisors (see below), whose sum is σ = 2151008006400. Its totient is φ = 806082681600.

The previous prime is 1404402220007. The next prime is 1404402220031. The reversal of 1404402220023 is 3200222044041.

It is not a de Polignac number, because 1404402220023 - 2⁴ = 1404402220007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1404402219975 and 1404402220002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404401220023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1484353 + ... + 2238773.

It is an arithmetic number, because the mean of its divisors is an integer number (67219000200).

Almost surely, 2^{1404402220023} is an apocalyptic number.

1404402220023 is a deficient number, since it is larger than the sum of its proper divisors (746605786377).

1404402220023 is a wasteful number, since it uses less digits than its factorization.

1404402220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757423.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 1404402220023 its reverse (3200222044041), we get a palindrome (4604624264064).

The spelling of 1404402220023 in words is "one trillion, four hundred four billion, four hundred two million, two hundred twenty thousand, twenty-three".