40234023 has 32 divisors (see below), whose sum is σ = 61272000. Its totient is φ = 26085888.

The previous prime is 40233983. The next prime is 40234027. The reversal of 40234023 is 32043204.

It is not a de Polignac number, because 40234023 - 2¹⁶ = 40168487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40233987 and 40234005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40234027) 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, 269953 + ... + 270101.

It is an arithmetic number, because the mean of its divisors is an integer number (1914750).

Almost surely, 2^40234023 is an apocalyptic number.

40234023 is a deficient number, since it is larger than the sum of its proper divisors (21037977).

40234023 is a wasteful number, since it uses less digits than its factorization.

40234023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 40234023 is about 6343.0294812495. The cubic root of 40234023 is about 342.6608490225.

Adding to 40234023 its reverse (32043204), we get a palindrome (72277227).

The spelling of 40234023 in words is "forty million, two hundred thirty-four thousand, twenty-three".