1423056101 has 4 divisors (see below), whose sum is σ = 1423447212. Its totient is φ = 1422664992.

The previous prime is 1423056097. The next prime is 1423056109. The reversal of 1423056101 is 1016503241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 309232225 + 1113823876 = 17585^2 + 33374^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423056101 - 2² = 1423056097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423056109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190046 + ... + 197391.

It is an arithmetic number, because the mean of its divisors is an integer number (355861803).

Almost surely, 2^1423056101 is an apocalyptic number.

It is an amenable number.

1423056101 is a deficient number, since it is larger than the sum of its proper divisors (391111).

1423056101 is an equidigital number, since it uses as much as digits as its factorization.

1423056101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391110.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1423056101 is about 37723.4158182951. The cubic root of 1423056101 is about 1124.7966318151.

Adding to 1423056101 its reverse (1016503241), we get a palindrome (2439559342).

The spelling of 1423056101 in words is "one billion, four hundred twenty-three million, fifty-six thousand, one hundred one".