423130440413 has 4 divisors (see below), whose sum is σ = 434566398300. Its totient is φ = 411694482528.

The previous prime is 423130440373. The next prime is 423130440431. The reversal of 423130440413 is 314044031324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 168713098009 + 254417342404 = 410747^2 + 504398^2 .

It is a cyclic number.

It is not a de Polignac number, because 423130440413 - 2⁶ = 423130440349 is a prime.

It is a super-2 number, since 2×423130440413² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423130440493) 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, 5717978888 + ... + 5717978961.

It is an arithmetic number, because the mean of its divisors is an integer number (108641599575).

Almost surely, 2^423130440413 is an apocalyptic number.

It is an amenable number.

423130440413 is a deficient number, since it is larger than the sum of its proper divisors (11435957887).

423130440413 is a wasteful number, since it uses less digits than its factorization.

423130440413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11435957886.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 423130440413 its reverse (314044031324), we get a palindrome (737174471737).

The spelling of 423130440413 in words is "four hundred twenty-three billion, one hundred thirty million, four hundred forty thousand, four hundred thirteen".