502401923 has 2 divisors, whose sum is σ = 502401924. Its totient is φ = 502401922.

The previous prime is 502401883. The next prime is 502401931. The reversal of 502401923 is 329104205.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 502401923 - 2⁶ = 502401859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 502401892 and 502401901.

It is not a weakly prime, because it can be changed into another prime (502401943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251200961 + 251200962.

It is an arithmetic number, because the mean of its divisors is an integer number (251200962).

Almost surely, 2^502401923 is an apocalyptic number.

502401923 is a deficient number, since it is larger than the sum of its proper divisors (1).

502401923 is an equidigital number, since it uses as much as digits as its factorization.

502401923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 502401923 is about 22414.3240585122. The cubic root of 502401923 is about 794.9694346331.

The spelling of 502401923 in words is "five hundred two million, four hundred one thousand, nine hundred twenty-three".