23140601111506 has 4 divisors (see below), whose sum is σ = 34710901667262. Its totient is φ = 11570300555752.

The previous prime is 23140601111489. The next prime is 23140601111549. The reversal of 23140601111506 is 60511110604132.

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., 14427424739025 + 8713176372481 = 3798345^2 + 2951809^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5785150277875 + ... + 5785150277878.

Almost surely, 2^{23140601111506} is an apocalyptic number.

23140601111506 is a deficient number, since it is larger than the sum of its proper divisors (11570300555756).

23140601111506 is a wasteful number, since it uses less digits than its factorization.

23140601111506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11570300555755.

The product of its (nonzero) digits is 4320, while the sum is 31.

Adding to 23140601111506 its reverse (60511110604132), we get a palindrome (83651711715638).

The spelling of 23140601111506 in words is "twenty-three trillion, one hundred forty billion, six hundred one million, one hundred eleven thousand, five hundred six".