54140023 has 8 divisors (see below), whose sum is σ = 61919648. Its totient is φ = 46371744.

The previous prime is 54140017. The next prime is 54140029. The reversal of 54140023 is 32004145.

It is an interprime number because it is at equal distance from previous prime (54140017) and next prime (54140029).

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

It is a cyclic number.

It is not a de Polignac number, because 54140023 - 2⁹ = 54139511 is a prime.

It is a super-2 number, since 2×54140023² = 5862284180881058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54140029) 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, 14365 + ... + 17737.

It is an arithmetic number, because the mean of its divisors is an integer number (7739956).

Almost surely, 2^54140023 is an apocalyptic number.

54140023 is a deficient number, since it is larger than the sum of its proper divisors (7779625).

54140023 is a wasteful number, since it uses less digits than its factorization.

54140023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5673.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 54140023 is about 7357.9904185858. The cubic root of 54140023 is about 378.3027328564.

Adding to 54140023 its reverse (32004145), we get a palindrome (86144168).

The spelling of 54140023 in words is "fifty-four million, one hundred forty thousand, twenty-three".