23231400411031 has 4 divisors (see below), whose sum is σ = 23231578194000. Its totient is φ = 23231222628064.

The previous prime is 23231400411019. The next prime is 23231400411059. The reversal of 23231400411031 is 13011400413232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23231400411031 is a prime.

It is a super-2 number, since 2×23231400411031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23231400410987 and 23231400411005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231400411431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88695331 + ... + 88956868.

It is an arithmetic number, because the mean of its divisors is an integer number (5807894548500).

Almost surely, 2^{23231400411031} is an apocalyptic number.

23231400411031 is a deficient number, since it is larger than the sum of its proper divisors (177782969).

23231400411031 is a wasteful number, since it uses less digits than its factorization.

23231400411031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177782968.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 23231400411031 its reverse (13011400413232), we get a palindrome (36242800824263).

The spelling of 23231400411031 in words is "twenty-three trillion, two hundred thirty-one billion, four hundred million, four hundred eleven thousand, thirty-one".