1421550323 has 8 divisors (see below), whose sum is σ = 1481763792. Its totient is φ = 1362483936.

The previous prime is 1421550313. The next prime is 1421550329. The reversal of 1421550323 is 3230551241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1421550323 - 2¹⁶ = 1421484787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1421550292 and 1421550301.

It is not an unprimeable number, because it can be changed into a prime (1421550329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284240 + ... + 289197.

It is an arithmetic number, because the mean of its divisors is an integer number (185220474).

Almost surely, 2^1421550323 is an apocalyptic number.

1421550323 is a deficient number, since it is larger than the sum of its proper divisors (60213469).

1421550323 is an equidigital number, since it uses as much as digits as its factorization.

1421550323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573541.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1421550323 is about 37703.4524016038. The cubic root of 1421550323 is about 1124.3997648761.

The spelling of 1421550323 in words is "one billion, four hundred twenty-one million, five hundred fifty thousand, three hundred twenty-three".