23893345990 has 16 divisors (see below), whose sum is σ = 44877937248. Its totient is φ = 9141801856.

The previous prime is 23893345979. The next prime is 23893346003. The reversal of 23893345990 is 9954339832.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51941827 + ... + 51942286.

It is an arithmetic number, because the mean of its divisors is an integer number (2804871078).

Almost surely, 2^23893345990 is an apocalyptic number.

23893345990 is a deficient number, since it is larger than the sum of its proper divisors (20984591258).

23893345990 is a wasteful number, since it uses less digits than its factorization.

23893345990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103884143.

The product of its (nonzero) digits is 6298560, while the sum is 55.

The spelling of 23893345990 in words is "twenty-three billion, eight hundred ninety-three million, three hundred forty-five thousand, nine hundred ninety".