23012315142 has 16 divisors (see below), whose sum is σ = 46034472960. Its totient is φ = 7669131272.

The previous prime is 23012315141. The next prime is 23012315159. The reversal of 23012315142 is 24151321032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012315141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379542 + ... + 435977.

It is an arithmetic number, because the mean of its divisors is an integer number (2877154560).

Almost surely, 2^23012315142 is an apocalyptic number.

23012315142 is an abundant number, since it is smaller than the sum of its proper divisors (23022157818).

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

23012315142 is a wasteful number, since it uses less digits than its factorization.

23012315142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820227.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 23012315142 its reverse (24151321032), we get a palindrome (47163636174).

The spelling of 23012315142 in words is "twenty-three billion, twelve million, three hundred fifteen thousand, one hundred forty-two".