23278178046 has 16 divisors (see below), whose sum is σ = 46558372608. Its totient is φ = 7759056600.

The previous prime is 23278178009. The next prime is 23278178059. The reversal of 23278178046 is 64087187232.

It is a junction number, because it is equal to n+sod(n) for n = 23278177986 and 23278178004.

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, 95581 + ... + 235991.

It is an arithmetic number, because the mean of its divisors is an integer number (2909898288).

Almost surely, 2^23278178046 is an apocalyptic number.

23278178046 is an abundant number, since it is smaller than the sum of its proper divisors (23280194562).

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

23278178046 is a wasteful number, since it uses less digits than its factorization.

23278178046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168047.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 23278178046 in words is "twenty-three billion, two hundred seventy-eight million, one hundred seventy-eight thousand, forty-six".