40430401123 has 12 divisors (see below), whose sum is σ = 47516147112. Its totient is φ = 34297361280.

The previous prime is 40430401117. The next prime is 40430401139. The reversal of 40430401123 is 32110403404.

It is not a de Polignac number, because 40430401123 - 2²⁵ = 40396846691 is a prime.

It is a super-2 number, since 2×40430401123² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40430401094 and 40430401103.

It is not an unprimeable number, because it can be changed into a prime (40430401153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4248393 + ... + 4257898.

It is an arithmetic number, because the mean of its divisors is an integer number (3959678926).

Almost surely, 2^40430401123 is an apocalyptic number.

40430401123 is a deficient number, since it is larger than the sum of its proper divisors (7085745989).

40430401123 is an equidigital number, since it uses as much as digits as its factorization.

40430401123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8506402 (or 8506395 counting only the distinct ones).

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

Adding to 40430401123 its reverse (32110403404), we get a palindrome (72540804527).

The spelling of 40430401123 in words is "forty billion, four hundred thirty million, four hundred one thousand, one hundred twenty-three".