423400121413 has 8 divisors (see below), whose sum is σ = 441842073408. Its totient is φ = 404960940384.

The previous prime is 423400121371. The next prime is 423400121447. The reversal of 423400121413 is 314121004324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-423400121413 is a prime.

It is a super-2 number, since 2×423400121413² (a number of 24 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 (423400121513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377431 + ... + 994612.

It is an arithmetic number, because the mean of its divisors is an integer number (55230259176).

Almost surely, 2^423400121413 is an apocalyptic number.

It is an amenable number.

423400121413 is a deficient number, since it is larger than the sum of its proper divisors (18441951995).

423400121413 is a wasteful number, since it uses less digits than its factorization.

423400121413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385483.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 423400121413 its reverse (314121004324), we get a palindrome (737521125737).

The spelling of 423400121413 in words is "four hundred twenty-three billion, four hundred million, one hundred twenty-one thousand, four hundred thirteen".