40480123 has 4 divisors (see below), whose sum is σ = 40542768. Its totient is φ = 40417480.

The previous prime is 40480091. The next prime is 40480129. The reversal of 40480123 is 32108404.

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 40480123 - 2⁵ = 40480091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40480094 and 40480103.

It is not an unprimeable number, because it can be changed into a prime (40480129) 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, 30343 + ... + 31648.

It is an arithmetic number, because the mean of its divisors is an integer number (10135692).

Almost surely, 2^40480123 is an apocalyptic number.

40480123 is a deficient number, since it is larger than the sum of its proper divisors (62645).

40480123 is an equidigital number, since it uses as much as digits as its factorization.

40480123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62644.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 40480123 is about 6362.3991544071. The cubic root of 40480123 is about 343.3580821280.

Adding to 40480123 its reverse (32108404), we get a palindrome (72588527).

The spelling of 40480123 in words is "forty million, four hundred eighty thousand, one hundred twenty-three".