23043051251511 has 16 divisors (see below), whose sum is σ = 31021712031744. Its totient is φ = 15213309568704.

The previous prime is 23043051251453. The next prime is 23043051251513. The reversal of 23043051251511 is 11515215034032.

It is not a de Polignac number, because 23043051251511 - 2¹⁵ = 23043051218743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23043051251513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11206711 + ... + 13102536.

It is an arithmetic number, because the mean of its divisors is an integer number (1938857001984).

Almost surely, 2^{23043051251511} is an apocalyptic number.

23043051251511 is a deficient number, since it is larger than the sum of its proper divisors (7978660780233).

23043051251511 is a wasteful number, since it uses less digits than its factorization.

23043051251511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24312310.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 23043051251511 its reverse (11515215034032), we get a palindrome (34558266285543).

The spelling of 23043051251511 in words is "twenty-three trillion, forty-three billion, fifty-one million, two hundred fifty-one thousand, five hundred eleven".