1004423401 has 2 divisors, whose sum is σ = 1004423402. Its totient is φ = 1004423400.

The previous prime is 1004423389. The next prime is 1004423419. The reversal of 1004423401 is 1043244001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 992313001 + 12110400 = 31501^2 + 3480^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004423401 - 2¹⁵ = 1004390633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1004423491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502211700 + 502211701.

It is an arithmetic number, because the mean of its divisors is an integer number (502211701).

Almost surely, 2^1004423401 is an apocalyptic number.

It is an amenable number.

1004423401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004423401 is an equidigital number, since it uses as much as digits as its factorization.

1004423401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1004423401 is about 31692.6395398048. The cubic root of 1004423401 is about 1001.4722982740.

Adding to 1004423401 its reverse (1043244001), we get a palindrome (2047667402).

The spelling of 1004423401 in words is "one billion, four million, four hundred twenty-three thousand, four hundred one".