234673911890 has 32 divisors (see below), whose sum is σ = 475679208960. Its totient is φ = 82583193600.

The previous prime is 234673911889. The next prime is 234673911931. The reversal of 234673911890 is 98119376432.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34406255 + ... + 34413074.

It is an arithmetic number, because the mean of its divisors is an integer number (14864975280).

Almost surely, 2^234673911890 is an apocalyptic number.

234673911890 is an abundant number, since it is smaller than the sum of its proper divisors (241005297070).

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

234673911890 is a wasteful number, since it uses less digits than its factorization.

234673911890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68819378.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 234673911890 in words is "two hundred thirty-four billion, six hundred seventy-three million, nine hundred eleven thousand, eight hundred ninety".