23231341240138 has 16 divisors (see below), whose sum is σ = 36957026717640. Its totient is φ = 10914561616896.

The previous prime is 23231341240111. The next prime is 23231341240139. The reversal of 23231341240138 is 83104214313232.

It can be written as a sum of positive squares in 4 ways, for example, as 13504720965129 + 9726620275009 = 3674877^2 + 3118753^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23231341240097 and 23231341240106.

It is not an unprimeable number, because it can be changed into a prime (23231341240139) 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, 557299503 + ... + 557341186.

Almost surely, 2^{23231341240138} is an apocalyptic number.

23231341240138 is a deficient number, since it is larger than the sum of its proper divisors (13725685477502).

23231341240138 is a wasteful number, since it uses less digits than its factorization.

23231341240138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114641321.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 23231341240138 in words is "twenty-three trillion, two hundred thirty-one billion, three hundred forty-one million, two hundred forty thousand, one hundred thirty-eight".