540311152023 has 16 divisors (see below), whose sum is σ = 800564521440. Its totient is φ = 360160834752.

The previous prime is 540311152001. The next prime is 540311152061. The reversal of 540311152023 is 320251113045.

540311152023 is a `hidden beast` number, since 5 + 4 + 0 + 3 + 111 + 520 + 23 = 666.

It is not a de Polignac number, because 540311152023 - 2¹² = 540311147927 is a prime.

It is a super-2 number, since 2×540311152023² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540311150023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081236 + ... + 1499897.

It is an arithmetic number, because the mean of its divisors is an integer number (50035282590).

Almost surely, 2^540311152023 is an apocalyptic number.

540311152023 is a deficient number, since it is larger than the sum of its proper divisors (260253369417).

540311152023 is a wasteful number, since it uses less digits than its factorization.

540311152023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588895 (or 2588889 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 540311152023 its reverse (320251113045), we get a palindrome (860562265068).

The spelling of 540311152023 in words is "five hundred forty billion, three hundred eleven million, one hundred fifty-two thousand, twenty-three".