40231213023 has 16 divisors (see below), whose sum is σ = 54660622176. Its totient is φ = 26311434240.

The previous prime is 40231213007. The next prime is 40231213027. The reversal of 40231213023 is 32031213204.

It is not a de Polignac number, because 40231213023 - 2⁴ = 40231213007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40231213027) 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, 2306511 + ... + 2323887.

It is an arithmetic number, because the mean of its divisors is an integer number (3416288886).

Almost surely, 2^40231213023 is an apocalyptic number.

40231213023 is a deficient number, since it is larger than the sum of its proper divisors (14429409153).

40231213023 is a wasteful number, since it uses less digits than its factorization.

40231213023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31994.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 40231213023 its reverse (32031213204), we get a palindrome (72262426227).

The spelling of 40231213023 in words is "forty billion, two hundred thirty-one million, two hundred thirteen thousand, twenty-three".