2023155450 has 72 divisors (see below), whose sum is σ = 5516754048. Its totient is φ = 531447840.

The previous prime is 2023155427. The next prime is 2023155457. The reversal of 2023155450 is 545513202.

It is a happy number.

2023155450 is a `hidden beast` number, since 202 + 3 + 1 + 5 + 5 + 450 = 666.

It is not an unprimeable number, because it can be changed into a prime (2023155457) 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 35 ways as a sum of consecutive naturals, for example, 3402 + ... + 63701.

It is an arithmetic number, because the mean of its divisors is an integer number (76621584).

Almost surely, 2^2023155450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2023155450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2758377024).

2023155450 is an abundant number, since it is smaller than the sum of its proper divisors (3493598598).

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

2023155450 is a wasteful number, since it uses less digits than its factorization.

2023155450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67188 (or 67180 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2023155450 is about 44979.5003307062. The cubic root of 2023155450 is about 1264.7647445366.

Adding to 2023155450 its reverse (545513202), we get a palindrome (2568668652).

The spelling of 2023155450 in words is "two billion, twenty-three million, one hundred fifty-five thousand, four hundred fifty".