1421502023 has 2 divisors, whose sum is σ = 1421502024. Its totient is φ = 1421502022.

The previous prime is 1421502007. The next prime is 1421502031. The reversal of 1421502023 is 3202051241.

It is a strong prime.

It is an emirp because it is prime and its reverse (3202051241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1421502023 - 2⁴ = 1421502007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1421501986 and 1421502004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421502053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710751011 + 710751012.

It is an arithmetic number, because the mean of its divisors is an integer number (710751012).

Almost surely, 2^1421502023 is an apocalyptic number.

1421502023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421502023 is an equidigital number, since it uses as much as digits as its factorization.

1421502023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1421502023 is about 37702.8118712650. The cubic root of 1421502023 is about 1124.3870301589.

Adding to 1421502023 its reverse (3202051241), we get a palindrome (4623553264).

The spelling of 1421502023 in words is "one billion, four hundred twenty-one million, five hundred two thousand, twenty-three".