23913067394 has 4 divisors (see below), whose sum is σ = 35869601094. Its totient is φ = 11956533696.

The previous prime is 23913067361. The next prime is 23913067397. The reversal of 23913067394 is 49376031932.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15349971025 + 8563096369 = 123895^2 + 92537^2 .

It is not an unprimeable number, because it can be changed into a prime (23913067397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5978266847 + ... + 5978266850.

Almost surely, 2^23913067394 is an apocalyptic number.

23913067394 is a deficient number, since it is larger than the sum of its proper divisors (11956533700).

23913067394 is a wasteful number, since it uses less digits than its factorization.

23913067394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11956533699.

The product of its (nonzero) digits is 734832, while the sum is 47.

The spelling of 23913067394 in words is "twenty-three billion, nine hundred thirteen million, sixty-seven thousand, three hundred ninety-four".