40231234043 has 32 divisors (see below), whose sum is σ = 57194242560. Its totient is φ = 27235330560.

The previous prime is 40231234039. The next prime is 40231234063. The reversal of 40231234043 is 34043213204.

It is a cyclic number.

It is not a de Polignac number, because 40231234043 - 2² = 40231234039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40231234063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1165073 + ... + 1199106.

It is an arithmetic number, because the mean of its divisors is an integer number (1787320080).

Almost surely, 2^40231234043 is an apocalyptic number.

40231234043 is a deficient number, since it is larger than the sum of its proper divisors (16963008517).

40231234043 is a wasteful number, since it uses less digits than its factorization.

40231234043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364227.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 40231234043 its reverse (34043213204), we get a palindrome (74274447247).

The spelling of 40231234043 in words is "forty billion, two hundred thirty-one million, two hundred thirty-four thousand, forty-three".