123232040413 has 4 divisors (see below), whose sum is σ = 123358953888. Its totient is φ = 123105126940.

The previous prime is 123232040383. The next prime is 123232040417. The reversal of 123232040413 is 314040232321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123232040413 - 2¹⁷ = 123231909341 is a prime.

It is a super-2 number, since 2×123232040413² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123232040417) 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, 63455281 + ... + 63457222.

It is an arithmetic number, because the mean of its divisors is an integer number (30839738472).

Almost surely, 2^123232040413 is an apocalyptic number.

It is an amenable number.

123232040413 is a deficient number, since it is larger than the sum of its proper divisors (126913475).

123232040413 is an equidigital number, since it uses as much as digits as its factorization.

123232040413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126913474.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 123232040413 its reverse (314040232321), we get a palindrome (437272272734).

The spelling of 123232040413 in words is "one hundred twenty-three billion, two hundred thirty-two million, forty thousand, four hundred thirteen".