1423661201 has 2 divisors, whose sum is σ = 1423661202. Its totient is φ = 1423661200.

The previous prime is 1423661189. The next prime is 1423661227. The reversal of 1423661201 is 1021663241.

It is an a-pointer prime, because the next prime (1423661227) can be obtained adding 1423661201 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1093294225 + 330366976 = 33065^2 + 18176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423661201 - 2¹⁸ = 1423399057 is a prime.

It is a super-2 number, since 2×1423661201² = 4053622430465524802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1423660201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711830600 + 711830601.

It is an arithmetic number, because the mean of its divisors is an integer number (711830601).

Almost surely, 2^1423661201 is an apocalyptic number.

It is an amenable number.

1423661201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423661201 is an equidigital number, since it uses as much as digits as its factorization.

1423661201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1423661201 is about 37731.4351834117. The cubic root of 1423661201 is about 1124.9560347592.

The spelling of 1423661201 in words is "one billion, four hundred twenty-three million, six hundred sixty-one thousand, two hundred one".