23578426738 has 16 divisors (see below), whose sum is σ = 36223689600. Its totient is φ = 11505301776.

The previous prime is 23578426733. The next prime is 23578426757. The reversal of 23578426738 is 83762487532.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23578426733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326556 + ... + 392167.

It is an arithmetic number, because the mean of its divisors is an integer number (2263980600).

Almost surely, 2^23578426738 is an apocalyptic number.

23578426738 is a deficient number, since it is larger than the sum of its proper divisors (12645262862).

23578426738 is a wasteful number, since it uses less digits than its factorization.

23578426738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719121.

The product of its digits is 13547520, while the sum is 55.

The spelling of 23578426738 in words is "twenty-three billion, five hundred seventy-eight million, four hundred twenty-six thousand, seven hundred thirty-eight".