40088123 has 4 divisors (see below), whose sum is σ = 40106400. Its totient is φ = 40069848.

The previous prime is 40088117. The next prime is 40088141. The reversal of 40088123 is 32188004.

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 40088123 - 2⁴ = 40088107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40088092 and 40088101.

It is not an unprimeable number, because it can be changed into a prime (40088173) 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, 5315 + ... + 10412.

It is an arithmetic number, because the mean of its divisors is an integer number (10026600).

Almost surely, 2^40088123 is an apocalyptic number.

40088123 is a deficient number, since it is larger than the sum of its proper divisors (18277).

40088123 is a wasteful number, since it uses less digits than its factorization.

40088123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18276.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 40088123 is about 6331.5182223539. The cubic root of 40088123 is about 342.2461521461.

The spelling of 40088123 in words is "forty million, eighty-eight thousand, one hundred twenty-three".