40735023 has 32 divisors (see below), whose sum is σ = 65433600. Its totient is φ = 22508640.

The previous prime is 40735003. The next prime is 40735067. The reversal of 40735023 is 32053704.

40735023 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 40735023 - 2⁶ = 40734959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40734984 and 40735002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40735003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31261 + ... + 32537.

It is an arithmetic number, because the mean of its divisors is an integer number (2044800).

Almost surely, 2^40735023 is an apocalyptic number.

40735023 is a deficient number, since it is larger than the sum of its proper divisors (24698577).

40735023 is a wasteful number, since it uses less digits than its factorization.

40735023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 1318 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 40735023 is about 6382.3994704186. The cubic root of 40735023 is about 344.0772738564.

Adding to 40735023 its reverse (32053704), we get a palindrome (72788727).

The spelling of 40735023 in words is "forty million, seven hundred thirty-five thousand, twenty-three".