23278464052 has 12 divisors (see below), whose sum is σ = 41034665700. Its totient is φ = 11554273856.

The previous prime is 23278464031. The next prime is 23278464103. The reversal of 23278464052 is 25046487232.

It can be written as a sum of positive squares in 2 ways, for example, as 17454637456 + 5823826596 = 132116^2 + 76314^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21238927 + ... + 21240022.

It is an arithmetic number, because the mean of its divisors is an integer number (3419555475).

Almost surely, 2^23278464052 is an apocalyptic number.

It is an amenable number.

23278464052 is a deficient number, since it is larger than the sum of its proper divisors (17756201648).

23278464052 is a wasteful number, since it uses less digits than its factorization.

23278464052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42479090 (or 42479088 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 23278464052 in words is "twenty-three billion, two hundred seventy-eight million, four hundred sixty-four thousand, fifty-two".