40223351 has 8 divisors (see below), whose sum is σ = 46425504. Its totient is φ = 34135200.

The previous prime is 40223341. The next prime is 40223357. The reversal of 40223351 is 15332204.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40223351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40223357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27740 + ... + 29153.

It is an arithmetic number, because the mean of its divisors is an integer number (5803188).

Almost surely, 2^40223351 is an apocalyptic number.

40223351 is a deficient number, since it is larger than the sum of its proper divisors (6202153).

40223351 is a wasteful number, since it uses less digits than its factorization.

40223351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57001.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 40223351 is about 6342.1881870534. The cubic root of 40223351 is about 342.6305496251.

Adding to 40223351 its reverse (15332204), we get a palindrome (55555555).

The spelling of 40223351 in words is "forty million, two hundred twenty-three thousand, three hundred fifty-one".