23321227906 has 4 divisors (see below), whose sum is σ = 34981841862. Its totient is φ = 11660613952.

The previous prime is 23321227889. The next prime is 23321227973. The reversal of 23321227906 is 60972212332.

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

It can be written as a sum of positive squares in only one way, i.e., 17034165225 + 6287062681 = 130515^2 + 79291^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5830306975 + ... + 5830306978.

Almost surely, 2^23321227906 is an apocalyptic number.

23321227906 is a deficient number, since it is larger than the sum of its proper divisors (11660613956).

23321227906 is a wasteful number, since it uses less digits than its factorization.

23321227906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11660613955.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 23321227906 in words is "twenty-three billion, three hundred twenty-one million, two hundred twenty-seven thousand, nine hundred six".