223903995842 has 4 divisors (see below), whose sum is σ = 335855993766. Its totient is φ = 111951997920.

The previous prime is 223903995719. The next prime is 223903995859. The reversal of 223903995842 is 248599309322.

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., 223415983561 + 488012281 = 472669^2 + 22091^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55975998959 + ... + 55975998962.

Almost surely, 2^223903995842 is an apocalyptic number.

223903995842 is a deficient number, since it is larger than the sum of its proper divisors (111951997924).

223903995842 is a wasteful number, since it uses less digits than its factorization.

223903995842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111951997923.

The product of its (nonzero) digits is 8398080, while the sum is 56.

The spelling of 223903995842 in words is "two hundred twenty-three billion, nine hundred three million, nine hundred ninety-five thousand, eight hundred forty-two".