23132340142 has 8 divisors (see below), whose sum is σ = 34711223832. Its totient is φ = 11561932200.

The previous prime is 23132340139. The next prime is 23132340149. The reversal of 23132340142 is 24104323132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132340149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2112109 + ... + 2123032.

It is an arithmetic number, because the mean of its divisors is an integer number (4338902979).

Almost surely, 2^23132340142 is an apocalyptic number.

23132340142 is a deficient number, since it is larger than the sum of its proper divisors (11578883690).

23132340142 is a wasteful number, since it uses less digits than its factorization.

23132340142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237874.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23132340142 its reverse (24104323132), we get a palindrome (47236663274).

The spelling of 23132340142 in words is "twenty-three billion, one hundred thirty-two million, three hundred forty thousand, one hundred forty-two".