2153431423 has 8 divisors (see below), whose sum is σ = 2529905616. Its totient is φ = 1807075200.

The previous prime is 2153431411. The next prime is 2153431439. The reversal of 2153431423 is 3241343512.

It is a happy number.

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 2153431423 - 2¹⁷ = 2153300351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2153431391 and 2153431400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153431723) 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, 7529338 + ... + 7529623.

It is an arithmetic number, because the mean of its divisors is an integer number (316238202).

Almost surely, 2^2153431423 is an apocalyptic number.

2153431423 is a deficient number, since it is larger than the sum of its proper divisors (376474193).

2153431423 is a wasteful number, since it uses less digits than its factorization.

2153431423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15058985.

The product of its digits is 8640, while the sum is 28.

The square root of 2153431423 is about 46405.0797111696. The cubic root of 2153431423 is about 1291.3491529590.

Adding to 2153431423 its reverse (3241343512), we get a palindrome (5394774935).

The spelling of 2153431423 in words is "two billion, one hundred fifty-three million, four hundred thirty-one thousand, four hundred twenty-three".