1012271423 has 4 divisors (see below), whose sum is σ = 1056283248. Its totient is φ = 968259600.

The previous prime is 1012271413. The next prime is 1012271459. The reversal of 1012271423 is 3241722101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012271423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 44011801 = 1012271423 / (1 + 0 + 1 + 2 + 2 + 7 + 1 + 4 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012271413) 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, 22005878 + ... + 22005923.

It is an arithmetic number, because the mean of its divisors is an integer number (264070812).

Almost surely, 2^1012271423 is an apocalyptic number.

1012271423 is a deficient number, since it is larger than the sum of its proper divisors (44011825).

1012271423 is an equidigital number, since it uses as much as digits as its factorization.

1012271423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44011824.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1012271423 is about 31816.2132096200. The cubic root of 1012271423 is about 1004.0738554977.

Adding to 1012271423 its reverse (3241722101), we get a palindrome (4253993524).

The spelling of 1012271423 in words is "one billion, twelve million, two hundred seventy-one thousand, four hundred twenty-three".