23028133858 has 4 divisors (see below), whose sum is σ = 34542200790. Its totient is φ = 11514066928.

The previous prime is 23028133831. The next prime is 23028133867. The reversal of 23028133858 is 85833182032.

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., 22717422729 + 310711129 = 150723^2 + 17627^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5757033463 + ... + 5757033466.

Almost surely, 2^23028133858 is an apocalyptic number.

23028133858 is a deficient number, since it is larger than the sum of its proper divisors (11514066932).

23028133858 is a wasteful number, since it uses less digits than its factorization.

23028133858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11514066931.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 23028133858 in words is "twenty-three billion, twenty-eight million, one hundred thirty-three thousand, eight hundred fifty-eight".