23112302154511 has 4 divisors (see below), whose sum is σ = 23126902473312. Its totient is φ = 23097701835712.

The previous prime is 23112302154499. The next prime is 23112302154521. The reversal of 23112302154511 is 11545120321132.

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

It is a cyclic number.

It is not a de Polignac number, because 23112302154511 - 2⁵ = 23112302154479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112302154521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7300157026 + ... + 7300160191.

It is an arithmetic number, because the mean of its divisors is an integer number (5781725618328).

Almost surely, 2^{23112302154511} is an apocalyptic number.

23112302154511 is a deficient number, since it is larger than the sum of its proper divisors (14600318801).

23112302154511 is a wasteful number, since it uses less digits than its factorization.

23112302154511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14600318800.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 23112302154511 its reverse (11545120321132), we get a palindrome (34657422475643).

The spelling of 23112302154511 in words is "twenty-three trillion, one hundred twelve billion, three hundred two million, one hundred fifty-four thousand, five hundred eleven".