23131523342 has 4 divisors (see below), whose sum is σ = 34697285016. Its totient is φ = 11565761670.

The previous prime is 23131523299. The next prime is 23131523357. The reversal of 23131523342 is 24332513132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 5782880834 + ... + 5782880837.

It is an arithmetic number, because the mean of its divisors is an integer number (8674321254).

Almost surely, 2^23131523342 is an apocalyptic number.

23131523342 is a deficient number, since it is larger than the sum of its proper divisors (11565761674).

23131523342 is a wasteful number, since it uses less digits than its factorization.

23131523342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11565761673.

The product of its digits is 12960, while the sum is 29.

The spelling of 23131523342 in words is "twenty-three billion, one hundred thirty-one million, five hundred twenty-three thousand, three hundred forty-two".