1423420207 has 16 divisors (see below), whose sum is σ = 1649041920. Its totient is φ = 1215043200.

The previous prime is 1423420189. The next prime is 1423420237. The reversal of 1423420207 is 7020243241.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423420207 is a prime.

It is a super-2 number, since 2×1423420207² = 4052250171391845698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423420237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6519 + ... + 53752.

It is an arithmetic number, because the mean of its divisors is an integer number (103065120).

Almost surely, 2^1423420207 is an apocalyptic number.

1423420207 is a deficient number, since it is larger than the sum of its proper divisors (225621713).

1423420207 is a wasteful number, since it uses less digits than its factorization.

1423420207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60414.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 1423420207 is about 37728.2415042101. The cubic root of 1423420207 is about 1124.8925545451.

Adding to 1423420207 its reverse (7020243241), we get a palindrome (8443663448).

The spelling of 1423420207 in words is "one billion, four hundred twenty-three million, four hundred twenty thousand, two hundred seven".