214533205123 has 4 divisors (see below), whose sum is σ = 215644776328. Its totient is φ = 213421633920.

The previous prime is 214533205097. The next prime is 214533205127. The reversal of 214533205123 is 321502335412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214533205123 is a prime.

It is a super-2 number, since 2×214533205123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214533205127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555785313 + ... + 555785698.

It is an arithmetic number, because the mean of its divisors is an integer number (53911194082).

Almost surely, 2^214533205123 is an apocalyptic number.

214533205123 is a deficient number, since it is larger than the sum of its proper divisors (1111571205).

214533205123 is a wasteful number, since it uses less digits than its factorization.

214533205123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111571204.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 214533205123 in words is "two hundred fourteen billion, five hundred thirty-three million, two hundred five thousand, one hundred twenty-three".