23154132211 has 8 divisors (see below), whose sum is σ = 26482565120. Its totient is φ = 19830874248.

The previous prime is 23154132187. The next prime is 23154132227. The reversal of 23154132211 is 11223145132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23154132211 is a prime.

It is a super-2 number, since 2×23154132211² (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 (23154136211) 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, 1284141 + ... + 1302046.

It is an arithmetic number, because the mean of its divisors is an integer number (3310320640).

Almost surely, 2^23154132211 is an apocalyptic number.

23154132211 is a deficient number, since it is larger than the sum of its proper divisors (3328432909).

23154132211 is a wasteful number, since it uses less digits than its factorization.

23154132211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587473.

The product of its digits is 1440, while the sum is 25.

Adding to 23154132211 its reverse (11223145132), we get a palindrome (34377277343).

The spelling of 23154132211 in words is "twenty-three billion, one hundred fifty-four million, one hundred thirty-two thousand, two hundred eleven".