1421563233 has 8 divisors (see below), whose sum is σ = 1897872768. Its totient is φ = 946481264.

The previous prime is 1421563219. The next prime is 1421563259. The reversal of 1421563233 is 3323651241.

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 1421563233 - 2⁴ = 1421563217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1421563233.

It is not an unprimeable number, because it can be changed into a prime (1421563133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304185 + ... + 308822.

It is an arithmetic number, because the mean of its divisors is an integer number (237234096).

Almost surely, 2^1421563233 is an apocalyptic number.

It is an amenable number.

1421563233 is a deficient number, since it is larger than the sum of its proper divisors (476309535).

1421563233 is an equidigital number, since it uses as much as digits as its factorization.

1421563233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613783.

The product of its digits is 12960, while the sum is 30.

The square root of 1421563233 is about 37703.6236056960. The cubic root of 1421563233 is about 1124.4031686615.

The spelling of 1421563233 in words is "one billion, four hundred twenty-one million, five hundred sixty-three thousand, two hundred thirty-three".