1423120431 has 8 divisors (see below), whose sum is σ = 1905853824. Its totient is φ = 944567000.

The previous prime is 1423120427. The next prime is 1423120453. The reversal of 1423120431 is 1340213241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1423120431 - 2² = 1423120427 is a prime.

It is a super-2 number, since 2×1423120431² = 4050543522259251522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423120398 and 1423120407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423120411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044195 + ... + 1045556.

It is an arithmetic number, because the mean of its divisors is an integer number (238231728).

Almost surely, 2^1423120431 is an apocalyptic number.

1423120431 is a deficient number, since it is larger than the sum of its proper divisors (482733393).

1423120431 is a wasteful number, since it uses less digits than its factorization.

1423120431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089981.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1423120431 is about 37724.2684620921. The cubic root of 1423120431 is about 1124.8135805676.

Adding to 1423120431 its reverse (1340213241), we get a palindrome (2763333672).

The spelling of 1423120431 in words is "one billion, four hundred twenty-three million, one hundred twenty thousand, four hundred thirty-one".