211450323 has 8 divisors (see below), whose sum is σ = 322210048. Its totient is φ = 120828744.

The previous prime is 211450303. The next prime is 211450333. The reversal of 211450323 is 323054112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211450323 - 2¹³ = 211442131 is a prime.

It is a super-2 number, since 2×211450323² = 89422478193608658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10069063 = 211450323 / (2 + 1 + 1 + 4 + 5 + 0 + 3 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211450323.

It is not an unprimeable number, because it can be changed into a prime (211450303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5034511 + ... + 5034552.

It is an arithmetic number, because the mean of its divisors is an integer number (40276256).

Almost surely, 2^211450323 is an apocalyptic number.

211450323 is a deficient number, since it is larger than the sum of its proper divisors (110759725).

211450323 is a wasteful number, since it uses less digits than its factorization.

211450323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10069073.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 211450323 is about 14541.3315415061. The cubic root of 211450323 is about 595.7574075009.

The spelling of 211450323 in words is "two hundred eleven million, four hundred fifty thousand, three hundred twenty-three".