40202232423 has 8 divisors (see below), whose sum is σ = 53615962608. Its totient is φ = 26794995264.

The previous prime is 40202232419. The next prime is 40202232431. The reversal of 40202232423 is 32423220204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40202232423 - 2² = 40202232419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40202232393 and 40202232402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40202232443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608790 + ... + 1633587.

It is an arithmetic number, because the mean of its divisors is an integer number (6701995326).

Almost surely, 2^40202232423 is an apocalyptic number.

40202232423 is a deficient number, since it is larger than the sum of its proper divisors (13413730185).

40202232423 is a wasteful number, since it uses less digits than its factorization.

40202232423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246513.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 40202232423 its reverse (32423220204), we get a palindrome (72625452627).

The spelling of 40202232423 in words is "forty billion, two hundred two million, two hundred thirty-two thousand, four hundred twenty-three".