40233423 has 16 divisors (see below), whose sum is σ = 56238336. Its totient is φ = 25556160.

The previous prime is 40233409. The next prime is 40233449. The reversal of 40233423 is 32433204.

It is not a de Polignac number, because 40233423 - 2¹⁷ = 40102351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40233423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40233493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1486 + ... + 9092.

It is an arithmetic number, because the mean of its divisors is an integer number (3514896).

Almost surely, 2^40233423 is an apocalyptic number.

40233423 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40233423 is a deficient number, since it is larger than the sum of its proper divisors (16004913).

40233423 is a wasteful number, since it uses less digits than its factorization.

40233423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 40233423 is about 6342.9821850609. The cubic root of 40233423 is about 342.6591456753.

Adding to 40233423 its reverse (32433204), we get a palindrome (72666627).

The spelling of 40233423 in words is "forty million, two hundred thirty-three thousand, four hundred twenty-three".