40423230123 has 16 divisors (see below), whose sum is σ = 55785646080. Its totient is φ = 26005799456.

The previous prime is 40423230119. The next prime is 40423230137. The reversal of 40423230123 is 32103232404.

40423230123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40423230123 - 2² = 40423230119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40423230093 and 40423230102.

It is not an unprimeable number, because it can be changed into a prime (40423230143) 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, 44086 + ... + 287732.

It is an arithmetic number, because the mean of its divisors is an integer number (3486602880).

Almost surely, 2^40423230123 is an apocalyptic number.

40423230123 is a deficient number, since it is larger than the sum of its proper divisors (15362415957).

40423230123 is a wasteful number, since it uses less digits than its factorization.

40423230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245586.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 40423230123 its reverse (32103232404), we get a palindrome (72526462527).

The spelling of 40423230123 in words is "forty billion, four hundred twenty-three million, two hundred thirty thousand, one hundred twenty-three".