23154020235 has 16 divisors (see below), whose sum is σ = 41162702880. Its totient is φ = 12348810720.

The previous prime is 23154020233. The next prime is 23154020237. The reversal of 23154020235 is 53202045132.

It is a happy number.

23154020235 is a `hidden beast` number, since 23 + 1 + 5 + 402 + 0 + 235 = 666.

It is an interprime number because it is at equal distance from previous prime (23154020233) and next prime (23154020237).

It is not a de Polignac number, because 23154020235 - 2¹ = 23154020233 is a prime.

It is a super-2 number, since 2×23154020235² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23154020199 and 23154020208.

It is not an unprimeable number, because it can be changed into a prime (23154020233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85755496 + ... + 85755765.

It is an arithmetic number, because the mean of its divisors is an integer number (2572668930).

Almost surely, 2^23154020235 is an apocalyptic number.

23154020235 is a deficient number, since it is larger than the sum of its proper divisors (18008682645).

23154020235 is a wasteful number, since it uses less digits than its factorization.

23154020235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171511275 (or 171511269 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 23154020235 its reverse (53202045132), we get a palindrome (76356065367).

The spelling of 23154020235 in words is "twenty-three billion, one hundred fifty-four million, twenty thousand, two hundred thirty-five".