23453040040234 has 32 divisors (see below), whose sum is σ = 42590220266880. Its totient is φ = 9455606135808.

The previous prime is 23453040040169. The next prime is 23453040040237. The reversal of 23453040040234 is 43204004035432.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 23453040040234.

It is not an unprimeable number, because it can be changed into a prime (23453040040237) 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, 22636132 + ... + 23649535.

It is an arithmetic number, because the mean of its divisors is an integer number (1330944383340).

Almost surely, 2^{23453040040234} is an apocalyptic number.

23453040040234 is a deficient number, since it is larger than the sum of its proper divisors (19137180226646).

23453040040234 is a wasteful number, since it uses less digits than its factorization.

23453040040234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46287822.

The product of its (nonzero) digits is 138240, while the sum is 34.

Adding to 23453040040234 its reverse (43204004035432), we get a palindrome (66657044075666).

The spelling of 23453040040234 in words is "twenty-three trillion, four hundred fifty-three billion, forty million, forty thousand, two hundred thirty-four".