23156523422 has 8 divisors (see below), whose sum is σ = 34760198736. Its totient is φ = 11569790512.

The previous prime is 23156523419. The next prime is 23156523427. The reversal of 23156523422 is 22432565132.

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 (23156523427) 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, 4232183 + ... + 4237650.

It is an arithmetic number, because the mean of its divisors is an integer number (4345024842).

Almost surely, 2^23156523422 is an apocalyptic number.

23156523422 is a deficient number, since it is larger than the sum of its proper divisors (11603675314).

23156523422 is a wasteful number, since it uses less digits than its factorization.

23156523422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8471202.

The product of its digits is 86400, while the sum is 35.

The spelling of 23156523422 in words is "twenty-three billion, one hundred fifty-six million, five hundred twenty-three thousand, four hundred twenty-two".