423420413123 has 8 divisors (see below), whose sum is σ = 424865404368. Its totient is φ = 421977324384.

The previous prime is 423420413107. The next prime is 423420413149. The reversal of 423420413123 is 321314024324.

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

It is a cyclic number.

It is not a de Polignac number, because 423420413123 - 2⁴ = 423420413107 is a prime.

It is a super-2 number, since 2×423420413123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423420413183) 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, 29036 + ... + 920697.

It is an arithmetic number, because the mean of its divisors is an integer number (53108175546).

Almost surely, 2^423420413123 is an apocalyptic number.

423420413123 is a deficient number, since it is larger than the sum of its proper divisors (1444991245).

423420413123 is a wasteful number, since it uses less digits than its factorization.

423420413123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951253.

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

Adding to 423420413123 its reverse (321314024324), we get a palindrome (744734437447).

The spelling of 423420413123 in words is "four hundred twenty-three billion, four hundred twenty million, four hundred thirteen thousand, one hundred twenty-three".