423322401 has 16 divisors (see below), whose sum is σ = 585480896. Its totient is φ = 271869696.

The previous prime is 423322381. The next prime is 423322469. The reversal of 423322401 is 104223324.

423322401 = T₃₃₆₉ + T₃₃₇₀ + ... + T₃₄₄₁.

It is not a de Polignac number, because 423322401 - 2⁹ = 423321889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423322201) 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, 13060 + ... + 31893.

It is an arithmetic number, because the mean of its divisors is an integer number (36592556).

Almost surely, 2^423322401 is an apocalyptic number.

It is an amenable number.

423322401 is a deficient number, since it is larger than the sum of its proper divisors (162158495).

423322401 is a wasteful number, since it uses less digits than its factorization.

423322401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45072.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 423322401 is about 20574.8001448374. The cubic root of 423322401 is about 750.8567400671.

Adding to 423322401 its reverse (104223324), we get a palindrome (527545725).

The spelling of 423322401 in words is "four hundred twenty-three million, three hundred twenty-two thousand, four hundred one".