1401423229 has 2 divisors, whose sum is σ = 1401423230. Its totient is φ = 1401423228.

The previous prime is 1401423209. The next prime is 1401423301. The reversal of 1401423229 is 9223241041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1387562500 + 13860729 = 37250^2 + 3723^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401423229 - 2¹¹ = 1401421181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1401423197 and 1401423206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401423209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700711614 + 700711615.

It is an arithmetic number, because the mean of its divisors is an integer number (700711615).

Almost surely, 2^1401423229 is an apocalyptic number.

It is an amenable number.

1401423229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401423229 is an equidigital number, since it uses as much as digits as its factorization.

1401423229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1401423229 is about 37435.5877341334. The cubic root of 1401423229 is about 1119.0678971591.

The spelling of 1401423229 in words is "one billion, four hundred one million, four hundred twenty-three thousand, two hundred twenty-nine".