356540023 has 12 divisors (see below), whose sum is σ = 415665432. Its totient is φ = 304931760.

The previous prime is 356540017. The next prime is 356540033. The reversal of 356540023 is 320045653.

It is not a de Polignac number, because 356540023 - 2¹⁷ = 356408951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 356539973 and 356540000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356540033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15093 + ... + 30673.

It is an arithmetic number, because the mean of its divisors is an integer number (34638786).

Almost surely, 2^356540023 is an apocalyptic number.

356540023 is a deficient number, since it is larger than the sum of its proper divisors (59125409).

356540023 is a wasteful number, since it uses less digits than its factorization.

356540023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16062 (or 16055 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 356540023 is about 18882.2674221080. The cubic root of 356540023 is about 709.0922890680.

Adding to 356540023 its reverse (320045653), we get a palindrome (676585676).

The spelling of 356540023 in words is "three hundred fifty-six million, five hundred forty thousand, twenty-three".