40123234 has 8 divisors (see below), whose sum is σ = 60568668. Its totient is φ = 19933680.

The previous prime is 40123219. The next prime is 40123241. The reversal of 40123234 is 43232104.

It can be written as a sum of positive squares in 2 ways, for example, as 35700625 + 4422609 = 5975^2 + 2103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63577 + ... + 64204.

Almost surely, 2^40123234 is an apocalyptic number.

40123234 is a deficient number, since it is larger than the sum of its proper divisors (20445434).

40123234 is a wasteful number, since it uses less digits than its factorization.

40123234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127940.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 40123234 is about 6334.2903312052. The cubic root of 40123234 is about 342.3460412340.

Adding to 40123234 its reverse (43232104), we get a palindrome (83355338).

The spelling of 40123234 in words is "forty million, one hundred twenty-three thousand, two hundred thirty-four".