1426512623 has 4 divisors (see below), whose sum is σ = 1426588320. Its totient is φ = 1426436928.

The previous prime is 1426512599. The next prime is 1426512629. The reversal of 1426512623 is 3262156241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1426512623 - 2²² = 1422318319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1426512623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426512629) 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, 15263 + ... + 55551.

It is an arithmetic number, because the mean of its divisors is an integer number (356647080).

Almost surely, 2^1426512623 is an apocalyptic number.

1426512623 is a deficient number, since it is larger than the sum of its proper divisors (75697).

1426512623 is an equidigital number, since it uses as much as digits as its factorization.

1426512623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75696.

The product of its digits is 17280, while the sum is 32.

The square root of 1426512623 is about 37769.2020434639. The cubic root of 1426512623 is about 1125.7065843989.

Adding to 1426512623 its reverse (3262156241), we get a palindrome (4688668864).

The spelling of 1426512623 in words is "one billion, four hundred twenty-six million, five hundred twelve thousand, six hundred twenty-three".