315033023 has 2 divisors, whose sum is σ = 315033024. Its totient is φ = 315033022.

The previous prime is 315032987. The next prime is 315033041. The reversal of 315033023 is 320330513.

It is a strong prime.

It is an emirp because it is prime and its reverse (320330513) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315033023 is a prime.

It is equal to p_17021720 and since 315033023 and 17021720 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 315032986 and 315033004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315053023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157516511 + 157516512.

It is an arithmetic number, because the mean of its divisors is an integer number (157516512).

Almost surely, 2^315033023 is an apocalyptic number.

315033023 is a deficient number, since it is larger than the sum of its proper divisors (1).

315033023 is an equidigital number, since it uses as much as digits as its factorization.

315033023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 315033023 is about 17749.1696425495. The cubic root of 315033023 is about 680.4329876464.

Adding to 315033023 its reverse (320330513), we get a palindrome (635363536).

The spelling of 315033023 in words is "three hundred fifteen million, thirty-three thousand, twenty-three".