211214423403 has 12 divisors (see below), whose sum is σ = 305091568600. Its totient is φ = 140807738016.

The previous prime is 211214423383. The next prime is 211214423411. The reversal of 211214423403 is 304324412112.

211214423403 is a `hidden beast` number, since 2 + 1 + 1 + 214 + 42 + 3 + 403 = 666.

It is not a de Polignac number, because 211214423403 - 2¹² = 211214419307 is a prime.

It is a super-2 number, since 2×211214423403² (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 (211214423503) 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, 1027548 + ... + 1215846.

Almost surely, 2^211214423403 is an apocalyptic number.

211214423403 is a deficient number, since it is larger than the sum of its proper divisors (93877145197).

211214423403 is a wasteful number, since it uses less digits than its factorization.

211214423403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312938 (or 312935 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 211214423403 its reverse (304324412112), we get a palindrome (515538835515).

The spelling of 211214423403 in words is "two hundred eleven billion, two hundred fourteen million, four hundred twenty-three thousand, four hundred three".