213054023 has 16 divisors (see below), whose sum is σ = 262563840. Its totient is φ = 168349536.

The previous prime is 213054019. The next prime is 213054053. The reversal of 213054023 is 320450312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 213054023 - 2² = 213054019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213053986 and 213054004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213054053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130136 + ... + 131762.

It is an arithmetic number, because the mean of its divisors is an integer number (16410240).

Almost surely, 2^213054023 is an apocalyptic number.

213054023 is a deficient number, since it is larger than the sum of its proper divisors (49509817).

213054023 is a wasteful number, since it uses less digits than its factorization.

213054023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 213054023 is about 14596.3701994708. The cubic root of 213054023 is about 597.2597475988.

The spelling of 213054023 in words is "two hundred thirteen million, fifty-four thousand, twenty-three".