1423402031223 has 10 divisors (see below), whose sum is σ = 2126316614664. Its totient is φ = 948934687428.

The previous prime is 1423402031213. The next prime is 1423402031231. The reversal of 1423402031223 is 3221302043241.

1423402031223 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 402 + 0 + 31 + 223 = 666.

It is not a de Polignac number, because 1423402031223 - 2¹⁰ = 1423402030199 is a prime.

It is a super-3 number, since 3×1423402031223³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423402031213) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8786432211 + ... + 8786432372.

Almost surely, 2^{1423402031223} is an apocalyptic number.

1423402031223 is a deficient number, since it is larger than the sum of its proper divisors (702914583441).

1423402031223 is an equidigital number, since it uses as much as digits as its factorization.

1423402031223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17572864595 (or 17572864586 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1423402031223 its reverse (3221302043241), we get a palindrome (4644704074464).

The spelling of 1423402031223 in words is "one trillion, four hundred twenty-three billion, four hundred two million, thirty-one thousand, two hundred twenty-three".