1400224423 has 16 divisors (see below), whose sum is σ = 1551191040. Its totient is φ = 1255837536.

The previous prime is 1400224369. The next prime is 1400224433. The reversal of 1400224423 is 3244220041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1400224423 - 2⁹ = 1400223911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1400224394 and 1400224403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400224433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76686 + ... + 93172.

It is an arithmetic number, because the mean of its divisors is an integer number (96949440).

Almost surely, 2^1400224423 is an apocalyptic number.

1400224423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1400224423 is a deficient number, since it is larger than the sum of its proper divisors (150966617).

1400224423 is a wasteful number, since it uses less digits than its factorization.

1400224423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16686.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1400224423 is about 37419.5727260481. The cubic root of 1400224423 is about 1118.7487149658.

Adding to 1400224423 its reverse (3244220041), we get a palindrome (4644444464).

The spelling of 1400224423 in words is "one billion, four hundred million, two hundred twenty-four thousand, four hundred twenty-three".