2023231545 has 72 divisors (see below), whose sum is σ = 3664032216. Its totient is φ = 1032708096.

The previous prime is 2023231537. The next prime is 2023231559. The reversal of 2023231545 is 5451323202.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 946669824 + 1076561721 = 30768^2 + 32811^2 .

It is not a de Polignac number, because 2023231545 - 2³ = 2023231537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7303947 + ... + 7304223.

Almost surely, 2^2023231545 is an apocalyptic number.

It is an amenable number.

2023231545 is a deficient number, since it is larger than the sum of its proper divisors (1640800671).

2023231545 is a wasteful number, since it uses less digits than its factorization.

2023231545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2023231545 is about 44980.3462080940. The cubic root of 2023231545 is about 1264.7806011311.

Adding to 2023231545 its reverse (5451323202), we get a palindrome (7474554747).

The spelling of 2023231545 in words is "two billion, twenty-three million, two hundred thirty-one thousand, five hundred forty-five".