23154252531467 has 32 divisors (see below), whose sum is σ = 23693512227840. Its totient is φ = 22622546580480.

The previous prime is 23154252531451. The next prime is 23154252531649. The reversal of 23154252531467 is 76413525245132.

It is a cyclic number.

It is not a de Polignac number, because 23154252531467 - 2⁴ = 23154252531451 is a prime.

It is a super-2 number, since 2×23154252531467² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23154252531437) 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 31 ways as a sum of consecutive naturals, for example, 5052202058 + ... + 5052206640.

It is an arithmetic number, because the mean of its divisors is an integer number (740422257120).

Almost surely, 2^{23154252531467} is an apocalyptic number.

23154252531467 is a deficient number, since it is larger than the sum of its proper divisors (539259696373).

23154252531467 is a wasteful number, since it uses less digits than its factorization.

23154252531467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6203.

The product of its digits is 6048000, while the sum is 50.

Adding to 23154252531467 its reverse (76413525245132), we get a palindrome (99567777776599).

The spelling of 23154252531467 in words is "twenty-three trillion, one hundred fifty-four billion, two hundred fifty-two million, five hundred thirty-one thousand, four hundred sixty-seven".