23423330142 has 32 divisors (see below), whose sum is σ = 52401204000. Its totient is φ = 7755372864.

The previous prime is 23423330137. The next prime is 23423330153. The reversal of 23423330142 is 24103332432.

It is a super-2 number, since 2×23423330142² (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 congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1447543 + ... + 1463634.

It is an arithmetic number, because the mean of its divisors is an integer number (1637537625).

Almost surely, 2^23423330142 is an apocalyptic number.

23423330142 is an abundant number, since it is smaller than the sum of its proper divisors (28977873858).

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

23423330142 is a wasteful number, since it uses less digits than its factorization.

23423330142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911337 (or 2911331 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 23423330142 its reverse (24103332432), we get a palindrome (47526662574).

The spelling of 23423330142 in words is "twenty-three billion, four hundred twenty-three million, three hundred thirty thousand, one hundred forty-two".