2023640523 has 8 divisors (see below), whose sum is σ = 2997986000. Its totient is φ = 1349093664.

The previous prime is 2023640497. The next prime is 2023640527. The reversal of 2023640523 is 3250463202.

2023640523 is a `hidden beast` number, since 2 + 0 + 236 + 405 + 23 = 666.

It is not a de Polignac number, because 2023640523 - 2¹⁴ = 2023624139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 74949649 = 2023640523 / (2 + 0 + 2 + 3 + 6 + 4 + 0 + 5 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2023640527) 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, 37474798 + ... + 37474851.

It is an arithmetic number, because the mean of its divisors is an integer number (374748250).

Almost surely, 2^2023640523 is an apocalyptic number.

2023640523 is a deficient number, since it is larger than the sum of its proper divisors (974345477).

2023640523 is an equidigital number, since it uses as much as digits as its factorization.

2023640523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74949658 (or 74949652 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2023640523 is about 44984.8921639254. The cubic root of 2023640523 is about 1264.8658167180.

The spelling of 2023640523 in words is "two billion, twenty-three million, six hundred forty thousand, five hundred twenty-three".