23550214211 has 4 divisors (see below), whose sum is σ = 24574136592. Its totient is φ = 22526291832.

The previous prime is 23550214201. The next prime is 23550214217. The reversal of 23550214211 is 11241205532.

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-23550214211 is a prime.

It is a super-2 number, since 2×23550214211² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23550214217) 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, 511961156 + ... + 511961201.

It is an arithmetic number, because the mean of its divisors is an integer number (6143534148).

Almost surely, 2^23550214211 is an apocalyptic number.

23550214211 is a deficient number, since it is larger than the sum of its proper divisors (1023922381).

23550214211 is a wasteful number, since it uses less digits than its factorization.

23550214211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023922380.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 23550214211 its reverse (11241205532), we get a palindrome (34791419743).

The spelling of 23550214211 in words is "twenty-three billion, five hundred fifty million, two hundred fourteen thousand, two hundred eleven".