1426261423 has 6 divisors (see below), whose sum is σ = 1473754992. Its totient is φ = 1380252060.

The previous prime is 1426261409. The next prime is 1426261433. The reversal of 1426261423 is 3241626241.

It is not a de Polignac number, because 1426261423 - 2⁹ = 1426260911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426261433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 741111 + ... + 743032.

It is an arithmetic number, because the mean of its divisors is an integer number (245625832).

Almost surely, 2^1426261423 is an apocalyptic number.

1426261423 is a deficient number, since it is larger than the sum of its proper divisors (47493569).

1426261423 is an equidigital number, since it uses as much as digits as its factorization.

1426261423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484205 (or 1484174 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 1426261423 is about 37765.8764362751. The cubic root of 1426261423 is about 1125.6405038774.

Adding to 1426261423 its reverse (3241626241), we get a palindrome (4667887664).

The spelling of 1426261423 in words is "one billion, four hundred twenty-six million, two hundred sixty-one thousand, four hundred twenty-three".