1421413523 has 2 divisors, whose sum is σ = 1421413524. Its totient is φ = 1421413522.

The previous prime is 1421413489. The next prime is 1421413531. The reversal of 1421413523 is 3253141241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1421413523 - 2²⁰ = 1420364947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1421413492 and 1421413501.

It is not a weakly prime, because it can be changed into another prime (1421412523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710706761 + 710706762.

It is an arithmetic number, because the mean of its divisors is an integer number (710706762).

Almost surely, 2^1421413523 is an apocalyptic number.

1421413523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421413523 is an equidigital number, since it uses as much as digits as its factorization.

1421413523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 26.

The square root of 1421413523 is about 37701.6382004814. The cubic root of 1421413523 is about 1124.3636956119.

Adding to 1421413523 its reverse (3253141241), we get a palindrome (4674554764).

The spelling of 1421413523 in words is "one billion, four hundred twenty-one million, four hundred thirteen thousand, five hundred twenty-three".