23245330138 has 8 divisors (see below), whose sum is σ = 34868668788. Its totient is φ = 11622440544.

The previous prime is 23245330133. The next prime is 23245330153. The reversal of 23245330138 is 83103354232.

It can be written as a sum of positive squares in 2 ways, for example, as 22806134289 + 439195849 = 151017^2 + 20957^2 .

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

It is a super-2 number, since 2×23245330138² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23245330133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90120 + ... + 233692.

Almost surely, 2^23245330138 is an apocalyptic number.

23245330138 is a deficient number, since it is larger than the sum of its proper divisors (11623338650).

23245330138 is a wasteful number, since it uses less digits than its factorization.

23245330138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224528.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 23245330138 in words is "twenty-three billion, two hundred forty-five million, three hundred thirty thousand, one hundred thirty-eight".