23031236154 has 16 divisors (see below), whose sum is σ = 47307404448. Its totient is φ = 7469590032.

The previous prime is 23031236119. The next prime is 23031236161. The reversal of 23031236154 is 45163213032.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 51871932 + ... + 51872375.

It is an arithmetic number, because the mean of its divisors is an integer number (2956712778).

Almost surely, 2^23031236154 is an apocalyptic number.

23031236154 is an abundant number, since it is smaller than the sum of its proper divisors (24276168294).

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

23031236154 is a wasteful number, since it uses less digits than its factorization.

23031236154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103744349.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 23031236154 its reverse (45163213032), we get a palindrome (68194449186).

The spelling of 23031236154 in words is "twenty-three billion, thirty-one million, two hundred thirty-six thousand, one hundred fifty-four".