2023155723 has 4 divisors (see below), whose sum is σ = 2697540968. Its totient is φ = 1348770480.

The previous prime is 2023155713. The next prime is 2023155731. The reversal of 2023155723 is 3275513202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-2023155723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2023155713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337192618 + ... + 337192623.

It is an arithmetic number, because the mean of its divisors is an integer number (674385242).

Almost surely, 2^2023155723 is an apocalyptic number.

2023155723 is a deficient number, since it is larger than the sum of its proper divisors (674385245).

2023155723 is an equidigital number, since it uses as much as digits as its factorization.

2023155723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674385244.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 2023155723 is about 44979.5033654219. The cubic root of 2023155723 is about 1264.7648014248.

Adding to 2023155723 its reverse (3275513202), we get a palindrome (5298668925).

The spelling of 2023155723 in words is "two billion, twenty-three million, one hundred fifty-five thousand, seven hundred twenty-three".