1403040223423 has 4 divisors (see below), whose sum is σ = 1413134038120. Its totient is φ = 1392946408728.

The previous prime is 1403040223421. The next prime is 1403040223439. The reversal of 1403040223423 is 3243220403041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1403040223423 - 2¹ = 1403040223421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1403040223391 and 1403040223400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403040223421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5046907140 + ... + 5046907417.

It is an arithmetic number, because the mean of its divisors is an integer number (353283509530).

Almost surely, 2^{1403040223423} is an apocalyptic number.

1403040223423 is a deficient number, since it is larger than the sum of its proper divisors (10093814697).

1403040223423 is a wasteful number, since it uses less digits than its factorization.

1403040223423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10093814696.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1403040223423 its reverse (3243220403041), we get a palindrome (4646260626464).

The spelling of 1403040223423 in words is "one trillion, four hundred three billion, forty million, two hundred twenty-three thousand, four hundred twenty-three".