213262923 has 16 divisors (see below), whose sum is σ = 303031296. Its totient is φ = 133098240.

The previous prime is 213262901. The next prime is 213262967. The reversal of 213262923 is 329262312.

It is not a de Polignac number, because 213262923 - 2⁹ = 213262411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213222923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29638 + ... + 36123.

It is an arithmetic number, because the mean of its divisors is an integer number (18939456).

Almost surely, 2^213262923 is an apocalyptic number.

213262923 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

213262923 is a deficient number, since it is larger than the sum of its proper divisors (89768373).

213262923 is a wasteful number, since it uses less digits than its factorization.

213262923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65834.

The product of its digits is 7776, while the sum is 30.

The square root of 213262923 is about 14603.5243348994. The cubic root of 213262923 is about 597.4548887238.

It can be divided in two parts, 213262 and 923, that added together give a triangular number (214185 = T₆₅₄).

The spelling of 213262923 in words is "two hundred thirteen million, two hundred sixty-two thousand, nine hundred twenty-three".