40023153 has 20 divisors (see below), whose sum is σ = 61183408. Its totient is φ = 26059320.

The previous prime is 40023149. The next prime is 40023157. The reversal of 40023153 is 35132004.

It is an interprime number because it is at equal distance from previous prime (40023149) and next prime (40023157).

It is not a de Polignac number, because 40023153 - 2² = 40023149 is a prime.

It is a super-3 number, since 3×40023153³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40023157) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2263 + ... + 9228.

Almost surely, 2^40023153 is an apocalyptic number.

40023153 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

40023153 is a deficient number, since it is larger than the sum of its proper divisors (21160255).

40023153 is a wasteful number, since it uses less digits than its factorization.

40023153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11546 (or 11537 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 40023153 is about 6326.3854609089. The cubic root of 40023153 is about 342.0611617300.

Adding to 40023153 its reverse (35132004), we get a palindrome (75155157).

The spelling of 40023153 in words is "forty million, twenty-three thousand, one hundred fifty-three".