1421148023 has 2 divisors, whose sum is σ = 1421148024. Its totient is φ = 1421148022.

The previous prime is 1421148011. The next prime is 1421148121. The reversal of 1421148023 is 3208411241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1421148023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1421147983 and 1421148001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421148623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710574011 + 710574012.

It is an arithmetic number, because the mean of its divisors is an integer number (710574012).

Almost surely, 2^1421148023 is an apocalyptic number.

1421148023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421148023 is an equidigital number, since it uses as much as digits as its factorization.

1421148023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1421148023 is about 37698.1169688885. The cubic root of 1421148023 is about 1124.2936861590.

Adding to 1421148023 its reverse (3208411241), we get a palindrome (4629559264).

The spelling of 1421148023 in words is "one billion, four hundred twenty-one million, one hundred forty-eight thousand, twenty-three".