40601023 has 4 divisors (see below), whose sum is σ = 41115040. Its totient is φ = 40087008.

The previous prime is 40601017. The next prime is 40601039. The reversal of 40601023 is 32010604.

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

It is a cyclic number.

It is not a de Polignac number, because 40601023 - 2¹³ = 40592831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40600988 and 40601006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40601053) 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, 256890 + ... + 257047.

It is an arithmetic number, because the mean of its divisors is an integer number (10278760).

Almost surely, 2^40601023 is an apocalyptic number.

40601023 is a deficient number, since it is larger than the sum of its proper divisors (514017).

40601023 is an equidigital number, since it uses as much as digits as its factorization.

40601023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514016.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 40601023 is about 6371.8932037504. The cubic root of 40601023 is about 343.6995726358.

Adding to 40601023 its reverse (32010604), we get a palindrome (72611627).

The spelling of 40601023 in words is "forty million, six hundred one thousand, twenty-three".