40142230123 has 16 divisors (see below), whose sum is σ = 40954403520. Its totient is φ = 39339904000.

The previous prime is 40142230097. The next prime is 40142230127. The reversal of 40142230123 is 32103224104.

40142230123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40142230123 - 2³³ = 31552295531 is a prime.

It is a super-2 number, since 2×40142230123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40142230094 and 40142230103.

It is not an unprimeable number, because it can be changed into a prime (40142230127) 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, 4963443 + ... + 4971523.

It is an arithmetic number, because the mean of its divisors is an integer number (2559650220).

Almost surely, 2^40142230123 is an apocalyptic number.

40142230123 is a deficient number, since it is larger than the sum of its proper divisors (812173397).

40142230123 is a wasteful number, since it uses less digits than its factorization.

40142230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8678.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40142230123 its reverse (32103224104), we get a palindrome (72245454227).

The spelling of 40142230123 in words is "forty billion, one hundred forty-two million, two hundred thirty thousand, one hundred twenty-three".