23151353511 has 16 divisors (see below), whose sum is σ = 36265057920. Its totient is φ = 12951805920.

The previous prime is 23151353497. The next prime is 23151353543. The reversal of 23151353511 is 11535315132.

It is not a de Polignac number, because 23151353511 - 2¹¹ = 23151351463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23151353581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26982501 + ... + 26983358.

It is an arithmetic number, because the mean of its divisors is an integer number (2266566120).

Almost surely, 2^23151353511 is an apocalyptic number.

23151353511 is a deficient number, since it is larger than the sum of its proper divisors (13113704409).

23151353511 is a wasteful number, since it uses less digits than its factorization.

23151353511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53965886.

The product of its digits is 6750, while the sum is 30.

Adding to 23151353511 its reverse (11535315132), we get a palindrome (34686668643).

The spelling of 23151353511 in words is "twenty-three billion, one hundred fifty-one million, three hundred fifty-three thousand, five hundred eleven".