213233420047 has 2 divisors, whose sum is σ = 213233420048. Its totient is φ = 213233420046.

The previous prime is 213233419999. The next prime is 213233420063. The reversal of 213233420047 is 740024332312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213233420047 - 2²⁷ = 213099202319 is a prime.

It is a super-3 number, since 3×213233420047³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213233420087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106616710023 + 106616710024.

It is an arithmetic number, because the mean of its divisors is an integer number (106616710024).

Almost surely, 2^213233420047 is an apocalyptic number.

213233420047 is a deficient number, since it is larger than the sum of its proper divisors (1).

213233420047 is an equidigital number, since it uses as much as digits as its factorization.

213233420047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 31.

Adding to 213233420047 its reverse (740024332312), we get a palindrome (953257752359).

The spelling of 213233420047 in words is "two hundred thirteen billion, two hundred thirty-three million, four hundred twenty thousand, forty-seven".