40023051 has 8 divisors (see below), whose sum is σ = 53600064. Its totient is φ = 26564040.

The previous prime is 40023041. The next prime is 40023089. The reversal of 40023051 is 15032004.

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

It is not a de Polignac number, because 40023051 - 2⁷ = 40022923 is a prime.

It is a super-2 number, since 2×40023051² = 3203689222697202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40023051.

It is not an unprimeable number, because it can be changed into a prime (40023041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28705 + ... + 30066.

It is an arithmetic number, because the mean of its divisors is an integer number (6700008).

Almost surely, 2^40023051 is an apocalyptic number.

40023051 is a deficient number, since it is larger than the sum of its proper divisors (13577013).

40023051 is a wasteful number, since it uses less digits than its factorization.

40023051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59001.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 40023051 is about 6326.3773994285. The cubic root of 40023051 is about 342.0608711459.

Adding to 40023051 its reverse (15032004), we get a palindrome (55055055).

The spelling of 40023051 in words is "forty million, twenty-three thousand, fifty-one".