1420213233 has 4 divisors (see below), whose sum is σ = 1893617648. Its totient is φ = 946808820.

The previous prime is 1420213231. The next prime is 1420213243. The reversal of 1420213233 is 3323120241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1420213233 - 2¹ = 1420213231 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1420213231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236702203 + ... + 236702208.

It is an arithmetic number, because the mean of its divisors is an integer number (473404412).

Almost surely, 2^1420213233 is an apocalyptic number.

It is an amenable number.

1420213233 is a deficient number, since it is larger than the sum of its proper divisors (473404415).

1420213233 is an equidigital number, since it uses as much as digits as its factorization.

1420213233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473404414.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1420213233 is about 37685.7165647676. The cubic root of 1420213233 is about 1124.0471228181.

Adding to 1420213233 its reverse (3323120241), we get a palindrome (4743333474).

The spelling of 1420213233 in words is "one billion, four hundred twenty million, two hundred thirteen thousand, two hundred thirty-three".