23090342238 has 24 divisors (see below), whose sum is σ = 50032234200. Its totient is φ = 7696294704.

The previous prime is 23090342221. The next prime is 23090342243. The reversal of 23090342238 is 83224309032.

23090342238 is a `hidden beast` number, since 2 + 309 + 0 + 342 + 2 + 3 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 358893 + ... + 418311.

It is an arithmetic number, because the mean of its divisors is an integer number (2084676425).

Almost surely, 2^23090342238 is an apocalyptic number.

23090342238 is an abundant number, since it is smaller than the sum of its proper divisors (26941891962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23090342238 is a wasteful number, since it uses less digits than its factorization.

23090342238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81016 (or 81013 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 23090342238 in words is "twenty-three billion, ninety million, three hundred forty-two thousand, two hundred thirty-eight".