423361420123 has 4 divisors (see below), whose sum is σ = 423369219160. Its totient is φ = 423353621088.

The previous prime is 423361420117. The next prime is 423361420127. The reversal of 423361420123 is 321024163324.

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 423361420123 - 2¹³ = 423361411931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423361420127) 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, 3817518 + ... + 3926851.

It is an arithmetic number, because the mean of its divisors is an integer number (105842304790).

Almost surely, 2^423361420123 is an apocalyptic number.

423361420123 is a deficient number, since it is larger than the sum of its proper divisors (7799037).

423361420123 is an equidigital number, since it uses as much as digits as its factorization.

423361420123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7799036.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 423361420123 its reverse (321024163324), we get a palindrome (744385583447).

The spelling of 423361420123 in words is "four hundred twenty-three billion, three hundred sixty-one million, four hundred twenty thousand, one hundred twenty-three".