2154423355 has 8 divisors (see below), whose sum is σ = 2954637792. Its totient is φ = 1477318848.

The previous prime is 2154423353. The next prime is 2154423373. The reversal of 2154423355 is 5533244512.

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 2154423355 - 2¹ = 2154423353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2154423355.

It is not an unprimeable number, because it can be changed into a prime (2154423353) 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, 30777442 + ... + 30777511.

It is an arithmetic number, because the mean of its divisors is an integer number (369329724).

Almost surely, 2^2154423355 is an apocalyptic number.

2154423355 is a deficient number, since it is larger than the sum of its proper divisors (800214437).

2154423355 is an equidigital number, since it uses as much as digits as its factorization.

2154423355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61554965.

The product of its digits is 72000, while the sum is 34.

The square root of 2154423355 is about 46415.7662330377. The cubic root of 2154423355 is about 1291.5473999532.

Adding to 2154423355 its reverse (5533244512), we get a palindrome (7687667867).

The spelling of 2154423355 in words is "two billion, one hundred fifty-four million, four hundred twenty-three thousand, three hundred fifty-five".