23154242500135 has 8 divisors (see below), whose sum is σ = 27797000611680. Its totient is φ = 18515454259104.

The previous prime is 23154242500091. The next prime is 23154242500139. The reversal of 23154242500135 is 53100524245132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23154242500135 - 2⁷ = 23154242500007 is a prime.

It is a super-2 number, since 2×23154242500135² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23154242500094 and 23154242500103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154242500139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992454795 + ... + 992478124.

It is an arithmetic number, because the mean of its divisors is an integer number (3474625076460).

Almost surely, 2^{23154242500135} is an apocalyptic number.

23154242500135 is a deficient number, since it is larger than the sum of its proper divisors (4642758111545).

23154242500135 is a wasteful number, since it uses less digits than its factorization.

23154242500135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984935257.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 23154242500135 its reverse (53100524245132), we get a palindrome (76254766745267).

The spelling of 23154242500135 in words is "twenty-three trillion, one hundred fifty-four billion, two hundred forty-two million, five hundred thousand, one hundred thirty-five".