423400100431403 has 4 divisors (see below), whose sum is σ = 433246614394968. Its totient is φ = 413553586467840.

The previous prime is 423400100431387. The next prime is 423400100431409. The reversal of 423400100431403 is 304134001004324.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 423400100431403 - 2⁴ = 423400100431387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423400100431409) 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, 4923256981718 + ... + 4923256981803.

It is an arithmetic number, because the mean of its divisors is an integer number (108311653598742).

Almost surely, 2^{423400100431403} is an apocalyptic number.

423400100431403 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

423400100431403 is a deficient number, since it is larger than the sum of its proper divisors (9846513963565).

423400100431403 is an equidigital number, since it uses as much as digits as its factorization.

423400100431403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9846513963564.

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

Adding to 423400100431403 its reverse (304134001004324), we get a palindrome (727534101435727).

The spelling of 423400100431403 in words is "four hundred twenty-three trillion, four hundred billion, one hundred million, four hundred thirty-one thousand, four hundred three".