23154140334 has 16 divisors (see below), whose sum is σ = 49870456272. Its totient is φ = 7124350848.

The previous prime is 23154140333. The next prime is 23154140351. The reversal of 23154140334 is 43304145132.

It is a super-2 number, since 2×23154140334² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154140333) 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, 148423899 + ... + 148424054.

It is an arithmetic number, because the mean of its divisors is an integer number (3116903517).

Almost surely, 2^23154140334 is an apocalyptic number.

23154140334 is an abundant number, since it is smaller than the sum of its proper divisors (26716315938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23154140334 is a wasteful number, since it uses less digits than its factorization.

23154140334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296847971.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 23154140334 its reverse (43304145132), we get a palindrome (66458285466).

The spelling of 23154140334 in words is "twenty-three billion, one hundred fifty-four million, one hundred forty thousand, three hundred thirty-four".