315554923 has 2 divisors, whose sum is σ = 315554924. Its totient is φ = 315554922.

The previous prime is 315554893. The next prime is 315554927. The reversal of 315554923 is 329455513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315554923 - 2¹³ = 315546731 is a prime.

It is a super-3 number, since 3×315554923³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (315554927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157777461 + 157777462.

It is an arithmetic number, because the mean of its divisors is an integer number (157777462).

Almost surely, 2^315554923 is an apocalyptic number.

315554923 is a deficient number, since it is larger than the sum of its proper divisors (1).

315554923 is an equidigital number, since it uses as much as digits as its factorization.

315554923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 37.

The square root of 315554923 is about 17763.8656547498. The cubic root of 315554923 is about 680.8085271702.

The spelling of 315554923 in words is "three hundred fifteen million, five hundred fifty-four thousand, nine hundred twenty-three".