23231400442011 has 16 divisors (see below), whose sum is σ = 34420459035520. Its totient is φ = 15485994023400.

The previous prime is 23231400442007. The next prime is 23231400442049. The reversal of 23231400442011 is 11024400413232.

23231400442011 is a `hidden beast` number, since 2 + 3 + 231 + 4 + 0 + 0 + 4 + 420 + 1 + 1 = 666.

It is not a de Polignac number, because 23231400442011 - 2² = 23231400442007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23231400440011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44353465 + ... + 44874186.

It is an arithmetic number, because the mean of its divisors is an integer number (2151278689720).

Almost surely, 2^{23231400442011} is an apocalyptic number.

23231400442011 is a deficient number, since it is larger than the sum of its proper divisors (11189058593509).

23231400442011 is an equidigital number, since it uses as much as digits as its factorization.

23231400442011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89237303 (or 89237297 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 23231400442011 its reverse (11024400413232), we get a palindrome (34255800855243).

The spelling of 23231400442011 in words is "twenty-three trillion, two hundred thirty-one billion, four hundred million, four hundred forty-two thousand, eleven".