1423901 has 2 divisors, whose sum is σ = 1423902. Its totient is φ = 1423900.

The previous prime is 1423897. The next prime is 1423909. The reversal of 1423901 is 1093241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1267876 + 156025 = 1126^2 + 395^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423901 - 2² = 1423897 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711950 + 711951.

It is an arithmetic number, because the mean of its divisors is an integer number (711951).

2^1423901 is an apocalyptic number.

It is an amenable number.

1423901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423901 is an equidigital number, since it uses as much as digits as its factorization.

1423901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1423901 is about 1193.2732293989. The cubic root of 1423901 is about 112.5019193088.

The spelling of 1423901 in words is "one million, four hundred twenty-three thousand, nine hundred one".