2153423000 has 64 divisors (see below), whose sum is σ = 5051423520. Its totient is φ = 859248000.

The previous prime is 2153422877. The next prime is 2153423003. The reversal of 2153423000 is 3243512.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153423003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440570 + ... + 445430.

Almost surely, 2^2153423000 is an apocalyptic number.

2153423000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2153423000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2525711760).

2153423000 is an abundant number, since it is smaller than the sum of its proper divisors (2898000520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2153423000 is a wasteful number, since it uses less digits than its factorization.

2153423000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5325 (or 5311 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2153423000 is about 46404.9889559302. The cubic root of 2153423000 is about 1291.3474692821.

Adding to 2153423000 its reverse (3243512), we get a palindrome (2156666512).

The spelling of 2153423000 in words is "two billion, one hundred fifty-three million, four hundred twenty-three thousand".