40100033423 has 4 divisors (see below), whose sum is σ = 40100444208. Its totient is φ = 40099622640.

The previous prime is 40100033383. The next prime is 40100033443. The reversal of 40100033423 is 32433000104.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40100033423 - 2¹² = 40100029327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40100033395 and 40100033404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40100033443) 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, 34190 + ... + 285252.

It is an arithmetic number, because the mean of its divisors is an integer number (10025111052).

Almost surely, 2^40100033423 is an apocalyptic number.

40100033423 is a deficient number, since it is larger than the sum of its proper divisors (410785).

40100033423 is a wasteful number, since it uses less digits than its factorization.

40100033423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410784.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 40100033423 its reverse (32433000104), we get a palindrome (72533033527).

The spelling of 40100033423 in words is "forty billion, one hundred million, thirty-three thousand, four hundred twenty-three".