213454043 has 12 divisors (see below), whose sum is σ = 235224864. Its totient is φ = 193551600.

The previous prime is 213454019. The next prime is 213454051. The reversal of 213454043 is 340454312.

It is not a de Polignac number, because 213454043 - 2²⁶ = 146345179 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (213454013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50105 + ... + 54197.

It is an arithmetic number, because the mean of its divisors is an integer number (19602072).

Almost surely, 2^213454043 is an apocalyptic number.

213454043 is a deficient number, since it is larger than the sum of its proper divisors (21770821).

213454043 is a wasteful number, since it uses less digits than its factorization.

213454043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546 (or 4535 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 213454043 is about 14610.0664953997. The cubic root of 213454043 is about 597.6333093071.

The spelling of 213454043 in words is "two hundred thirteen million, four hundred fifty-four thousand, forty-three".