23578157338 has 8 divisors (see below), whose sum is σ = 35385729588. Its totient is φ = 11782914144.

The previous prime is 23578157321. The next prime is 23578157353. The reversal of 23578157338 is 83375187532.

It can be written as a sum of positive squares in 2 ways, for example, as 23318206209 + 259951129 = 152703^2 + 16123^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 3077481 + ... + 3085132.

Almost surely, 2^23578157338 is an apocalyptic number.

23578157338 is a deficient number, since it is larger than the sum of its proper divisors (11807572250).

23578157338 is a wasteful number, since it uses less digits than its factorization.

23578157338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164528.

The product of its digits is 4233600, while the sum is 52.

The spelling of 23578157338 in words is "twenty-three billion, five hundred seventy-eight million, one hundred fifty-seven thousand, three hundred thirty-eight".