23478790 has 16 divisors (see below), whose sum is σ = 42393312. Its totient is φ = 9362304.

The previous prime is 23478787. The next prime is 23478809. The reversal of 23478790 is 9787432.

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, 114 + ... + 6853.

It is an arithmetic number, because the mean of its divisors is an integer number (2649582).

Almost surely, 2^23478790 is an apocalyptic number.

23478790 is a deficient number, since it is larger than the sum of its proper divisors (18914522).

23478790 is a wasteful number, since it uses less digits than its factorization.

23478790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7311.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 23478790 is about 4845.4917191138. The cubic root of 23478790 is about 286.3465162734.

The spelling of 23478790 in words is "twenty-three million, four hundred seventy-eight thousand, seven hundred ninety".