423412122 has 32 divisors (see below), whose sum is σ = 1001174400. Its totient is φ = 116803008.

The previous prime is 423412103. The next prime is 423412123. The reversal of 423412122 is 221214324.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (423412123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172597 + ... + 175032.

It is an arithmetic number, because the mean of its divisors is an integer number (31286700).

Almost surely, 2^423412122 is an apocalyptic number.

423412122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

423412122 is an abundant number, since it is smaller than the sum of its proper divisors (577762278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423412122 is a wasteful number, since it uses less digits than its factorization.

423412122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347670.

The product of its digits is 768, while the sum is 21.

The square root of 423412122 is about 20576.9803907182. The cubic root of 423412122 is about 750.9097830579.

Adding to 423412122 its reverse (221214324), we get a palindrome (644626446).

The spelling of 423412122 in words is "four hundred twenty-three million, four hundred twelve thousand, one hundred twenty-two".