23154252500146 has 32 divisors (see below), whose sum is σ = 35552165932800. Its totient is φ = 11305655861760.

The previous prime is 23154252500131. The next prime is 23154252500149. The reversal of 23154252500146 is 64100525245132.

It is a super-2 number, since 2×23154252500146² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23154252500099 and 23154252500108.

It is not an unprimeable number, because it can be changed into a prime (23154252500149) 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, 28876290 + ... + 29667298.

It is an arithmetic number, because the mean of its divisors is an integer number (1111005185400).

Almost surely, 2^{23154252500146} is an apocalyptic number.

23154252500146 is a deficient number, since it is larger than the sum of its proper divisors (12397913432654).

23154252500146 is a wasteful number, since it uses less digits than its factorization.

23154252500146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792354.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 23154252500146 its reverse (64100525245132), we get a palindrome (87254777745278).

The spelling of 23154252500146 in words is "twenty-three trillion, one hundred fifty-four billion, two hundred fifty-two million, five hundred thousand, one hundred forty-six".